Increases as a result of the boulder's kinetic energy, which came from its accelerating descent to the ground, and potential energy, which came from it resting on the top of the cliff.
The energy that an object has as a result of its motion is known as kinetic energy in physics. It is described as the effort required to move a mass-based body from rest to the indicated velocity. The body holds onto the kinetic energy it acquired during its acceleration unless its speed changes. The body exerts the same amount of effort when slowing down from its current place to rest. Formally, kinetic energy is any term in the Lagrangian of a system that contains a derivative with respect to time.
In classical mechanics, the kinetic energy of a mass m object moving at a speed. Only when v is considerably slower than the speed of light is this a good approximation in relativistic mechanics.
The English unit of kinetic energy is the foot pound, while the joule is the standard unit.
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Two small objects of mass m0 and a rotating platform of radius R and rotational inertia Ip about its center compose a single system. Students use the system to conduct two experiments. The objects are assumed to be point masses.
Each object of mass m0 is placed a distance r1 away from the center of the platform such that both masses are on opposite sides of the platform. A constant tangential force F0 is applied to the edge of the platform for a time Δt0, as shown in Figure 1. The system is initially at rest.
Each object of mass m0 is placed a distance r2 away from the center of the platform such that both masses are on opposite sides of the platform. Distance r2
Which of the following graphs represents the angular displacement of the system as a function of time for the system in experiment 1?
Two small objects of mass m0 and a rotating platform of radius R and rotational inertia Ip about its center compose a single system. Graphs represents the angular displacement of the system as a function of time for the system in experiment 1 is parabola with mouth open up.
what is angular displacement?Angular displacement is a vector quantity, which means that angular displacement has a size and a direction associated with it. The direction is important for later mathematical processes, but the definition is a bit confusing.
It is the angle made by a body while moving in a circular path. Before we go any further into the topic, we have to understand what is meant by rotational motion. When a rigid body is rotating about its own axis, the motion ceases to become a particle. It is so because in a circular path velocity and acceleration can change at any time. The rotation of rigid bodies or bodies which will remain constant throughout the duration of rotation, over a fixed axis is called rotational motion.
The angle made by the body from its point of rest at any point in the rotational motion is the angular displacement.
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how did tycho brahe modify ptolemy's earth-centered model in order account for the observations of galileo
Tycho Brahe modified Ptolemy's earth-centred model with made the Earth travel around the Sun in order to account for the observations of Galileo.
What are the observations of Tycho Brahe?Gаlileo mаde а number of observаtions thаt finаlly helped convince people thаt the Sun-centered solаr system model (the heliocentric model), аs proposed by Copernicus, wаs correct. These аrguments cаn be divided into two kinds: Those thаt proved thаt the Ptolemаic model wаs incorrect; аnd those thаt undermined the broаder philosophy of Аristoteliаnism thаt included the Ptolemаic model.
Tycho Brahe, with his new meаsuring devices, wаs аble to record the position of the plаnets with the best possible аccurаcy for nаked eye observаtions, ten times more аccurаtely thаn people hаd been getting until then. Even with his high quаlity observаtions, Brаhe wаs not аble to detect аny chаnges in the positions of the stаrs over the yeаr, which should occur if the Eаrth revolves аround the Sun.
Your question is incomplete, but most probably your full options were
a. Tycho mаde the Eаrth trаvel аround the Sun.
b. Tycho mаde Venus move аroun the Eаrth.
c. Tycho threw out the geocentric model entirely.
d. Tycho mаde Mercury trаvel аround the Sun.
Thus, the correct option is A.
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1. a weather balloon travels upward for 6 kin while the wind blows it 10 kin north and 8 km east. approximately what is its final displacement from its initial position?
Final displacement is 200 meters up and northeast of the launch, or 14.14 kilometers.
What distinguishes distance from displacement?Distance is the total distance along the route between any two points. Displacement is the direct distance between any two points when calculated via their shortest route. The direction is just not taken into account while calculating distance. The direction was taken into account when calculating displacement.
What is displacement defined in one word?The shortest (straight line) distance between a body's initial position and its final position—represented by an arrow pointing from the starting position to the final position—is referred to as the body's displacement when it moves from one position to another.
[tex]Final displacement = \sqrt{6^2 + 10^2 + 8^2} \\Final displacement = \sqrt{36 + 100 + 64} \\Final displacement = \sqrt{200}\\ Final displacement = 14.14 km[/tex]
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In this problem, you will use Lenz's law to explore what happens when an electromagnet is activated a short distance from a wire loop.
You will need to use the right-hand rule to find the direction of the induced current. When the switch is open, which of the following statements about the magnetic flux through the wire loop is true? Assume that the direction of the vector area of the wire loop is to the right.
A) There is no magnetic flux through the wire loop.
B) There is a positive flux through the wire loop.
C) There is a negative flux through the wire loop.
A (When the switch is open, there is no current flowing in the circuit. Thus, the electromagnet does not produce a magnetic field, and the flux is zero.)
There is no magnetic flux through the wire loop, Thus, the electromagnet does not produce a magnetic field
A magnetic field, an electric current, a fluctuating electric field, or the vector field surrounding a magnet can all be used to monitor magnetic forces. Permanent magnets such as magnetic compass needles point in the general direction of magnetic fields similar to those on Earth. In magnetic fields, electrically charged particles move in a helical or circular manner. This force, which is applied to electric currents through wires in a magnetic field, drives electric motors.
From the south to the north magnetic poles, magnetic fields can be seen as continuous lines of force or magnetic flux. The density of the lines indicates the strength of the magnetic field. A magnet has one or more poles that are
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a cannon mounted on a pirate ship fires a cannonball at 125 m/s horizontally, at a height of 17.5 m above the ocean surface. ignore air resistance. a. how much time elapses until it splashes into the water? b. how far from the ship does it land?
The time elapses until it splashes into the water is 1.889 s and horizontal distance is 236.227 m/s
Speed V = 125m/s
height h = 17.5 m
time elapse t = [tex]\sqrt{2h/g}[/tex] = 1.889 s
horizontal distance = vt = 236.227 m/s
As you go closer to Earth, time slows down because, as Einstein proposed in his theory of general relativity, the gravity of a massive object like Earth warps space and time.
On a cosmic scale, such as when a star is passing by a black hole, scientists first noticed this "time dilation" phenomenon. Then, in 2010, researchers used two incredibly accurate atomic clocks, one positioned 33 cm higher than the other, to see the same phenomenon on a much smaller scale. Time passed more slowly for the clock that was located closer to Earth.
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A bullet with a mass of 12 g moving horizontally strikes a fixed block of wood and
penetrates a distance of 5.2 cm. The speed of the bullet just before the collision is 640
m/s. The average force that the wood exerted on the bullet was
A) 4.7 × 104N
The average force that the wood exerted on the bullet was 47261.5 N
What is the formula of [tex]V^2[/tex] ?The third equation of motion is v2 = u2 + 2as. We are already aware that distance is equal to average velocity times time. Either v2 = u2 + 2as or 2as = v2 - u2. The third equation of motion connects the particle's ultimate velocity (v), initial velocity (u), constant speed (a), and displacement (S).deceleration of the bullet by using the third equation of motion:
[tex]v^2 = u^2 + 2as[/tex].
where,
a = deceleration = ?
s = distace covered = 5.2 cm = 0.052 m
v = final speed = 0 m/s
u = initial speed = 640 m/s
Therefore,
[tex]2as = v^2- u^2[/tex]
[tex]a=\frac{0 - 640^2}{2\times0.052}[/tex]
a = - [tex]\frac{409600}{0.104}[/tex]
= - 3938461.5 m/s^2
for the force, use Newton's Second Law of Motion:
F = ma
[tex]F = 0.012 kg\ \times\ 3938461.5 m/s^2[/tex]
F= 47261.5 N
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how could a vegetarian invoke the second law of thermodynamics to argue that they might be living more sustainably than someone who eats meat?
Answer:
HEAR WE CAN SAY THAT VEGITERIAN INVOKE THE SECOND LOW OF THERMODYNAMICS
Explanation:
According to the second law, entropy always rises in closed systems. Let's use the growing of a leaf as an example. The sun emits low-entropy radiation that the leaf absorbs and then emits higher-entropy radiation into its surroundings. The leaf is encouraged to reduce its own entropy in order to sustain the overall process's required increase in entropy as a result of this significant entropy increase. Using this illustration, we can draw the conclusion that living things adhere to the second law of thermodynamics.
second law of thermodynamics
A process that exchanges or transfers heat can result in a certain amount of useful work, according to the second law of thermodynamics.
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suppose that at a certain instant the velocity of the cylinder is v . what is its total kinetic energy, ktotal , at that instant?
The total kinetic energy of cylinder at that instant is (1/2)mv² where m is the mass of the cylinder.
Kinetic energy is actually acquired by the body when it is travelling with some speed. In this universe energy never creates never destroy, it actually converts from one form to another.
Kinetic energy has various types like:
Rotational kinetic energy Radiant kinetic energyThermal kinetic energySound kinetic energyElectrical kinetic energy.When any body is holding any particular height, in that case it has potential energy.
There are various theorems which are actually derived from the kinetic energy. One of them is work energy theorem.
We know very well that formula of kinetic energy is (1/2)mv²
Hence,[tex]K_t_o_t_a_l[/tex] is (1/2)mv².
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(Complete question) is:
Suppose that at a certain instant the velocity of the cylinder is v and mass is m. What is its total kinetic energy, [tex]K_t_o_t_a_l[/tex] at that instant?
Although there's no "Keep Out" sign on your teenage sister's door, when it's closed and the TV is on, you and your parents know not to disturb her. This is an example of a(n) __________ in a family
Although there's no "Keep Out" sign on your teenage sister's door, when it's closed and the TV is on, you and your parents know not to disturb her. This is an example of a(n) implicit rule in a family
What exactly is an implicit connection?a formula or relationship where the dependent variable is not located solely on one side. Implicit rules are frequently those that are seen as cultural norms for acceptable behavior in romantic relationships (e.g., monogamy and secrets kept private).
Unspoken guidelines for family organization, intimacy, and communication are referred to as implicit family process norms. These guidelines may have a significant impact on adolescents' psychological health.
Therefore, Implicit rules explain how to use societal norms such that you don't need to be explicit about them when you want to apply them. For C compilation, for instance, there is an implicit rule. Which implicit rules are executed depends on file names. For instance, the compilation of C frequently requires.
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the cornea, a boundary between the air and the aqueous humor, has a 3.0 cm focal length when acting alone. part a what is its radius of curvature
If the cornea, which serves as a border between the aqueous humor and the air, has a focal length of 3.0 cm, its radii is equal to 0.76 cm.
What in physics is the radius of curvature?The radius of curvature of both the spherical mirror is the diameter of the hollow sphere that contains the object that serves as the mirror. The radius of curvature of a spherical mirror is, in other language, the distance between its pole and center of curvature.
Is the curvature radius unit?Let's calculate the distance in meters (m) and the time in minutes (sec). Then, the units for torsion and curvature are both m1. Explanation #1, which is short and nasty but at least accounts for curvature: As you are likely aware, the radius of a circle has a curvature of 1/r.
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Which of the following quantities point in the same direction as the change in linear momentum of an object? Net force Acceleration Impulse Momentum Change in position Change in velocity Mass Time interval
The subsequent portions factor withinside the equal route because the alternate in linear momentum of an object is impulse.
Momentum is mass in motion, and any transferring item will have momentum. An item's alternate in momentum is same to its impulse. Impulse is a amount of pressure instances the time interval. Impulse isn't always same to momentum itself; rather, it is the growth or lower of an item's momentum. Impulse is a vector amount that has the equal route because the pressure.
Momentum and impulse have the equal units: kg·m/s.The impulse skilled with the aid of using the item equals the alternate in momentum of the item. In equation form, F • t = m • Δ v. In a collision, gadgets revel in an impulse; the impulse reasons and is same to the alternate in momentum.
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9. how does the charge of one electron compare with the charge of another electron? how does it compare with the charge of a proton?
The charge of every electron is the same. Therefore, if we were to compare two electrons, their charges would be the same. Proton charge and electron charge are complementary and equal.
How does it compare to a proton's charge?The electron has a negative charge, but the proton itself has a positive charge. Both have an identical electric charge but a different sign.
What impact does one charge have on subsequent charges?Unlike charges attract one another while like charges repel one another. Both two positive and two negative charges repel one another as a result. Positive and negative charges are drawn to one another.
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in the deep space between galaxies, the density of atoms is as low as 106 atoms/m3, and the temperature is a frigid 3.1 k. what is the pressure?
The temperature is a chilly 3.1 k, and there are only 106 atoms per cubic meter of air in the deep vacuum between galaxies. 3.86*10⁻¹⁷ pa is the pressure.
Density of atoms,[tex]\rho= 10^6 atoms/m^3[/tex]
Temperature, T= 2.8K
using Ideal Gas Equation,
PV= nRT
where n= number of moles,
R= Universal Gas Constant
P= Pressure
Number of atoms in 1 mole, [tex]N_A= 6.022 \times 10^{23}[/tex]
Then given number of atoms will have following number of moles, [tex]n= \frac{10^6}{N_A}[/tex]
where NA= Avogadro's number which is constant
Or we can write,
[tex]\frac{n}{V}= \frac{\rho}{N_A}[/tex]
Thus Pressure will be
[tex]P= \frac{nRT}{V}= \frac{\rho RT}{N_A}[/tex]
using given and known values in above,
[tex]P= \frac{10^6 \times 8.314 \times 2.8}{6.022 \times 10^{23}}= 3.86 \times10^{-17} Pa[/tex]
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a bird is flying with a speed of 16.6 m/s over water when it accidentally drops a 2.10 kg fish. the acceleration of gravity is 9.81 m/s 2 . if the altitude of the bird is 7.20 m and air resistance is disregarded, what is the speed of the fish when it hits the water?]
The speed of the fish is 20.411 m/s
We are given that,
Initial speed = u =16.6m/s
Mass of fish = m = 2.10kg
Altitude of the bird = h = 7.20m
Acceleration due to to gravity = a = 9.8m/s²
Thus equation of motion can be given by the formula ,
h = ut + (1/2)at²
If taking initial velocity is zero then ut = 0, thus above equation can be written as,
t² = (2 × 7.20m)/9.8m/s²
t² = 1.469s
t = 1.212 sec
Then the vertical velocity after 1.212sec can be calculated as,
Vy = u + gt
Vy = 0 + 9.8m/s²× 1.212sec
Vy = 11.8776m/s
Horizontal velocity will be same as the initial velocity,
Vnet = √u² +V²y
Vnet = √(16.6m/s)²+(11.8776m/s)²
Vnet = 20.411 m/s
Therefore , the speed of the fish would be 20.411m/s
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as you move an electron away from a proton, the potential emeregy of the interaction increases because
It will have more potential energy. This is so that the force of repulsion can be overcome in order to bring two protons together. Potential energy is the form in which this is kept.
Potential energy is the energy that is held in reserve in any system or object as a result of how its components are positioned or assembled. The external environment, such as air or height, is not a factor in this, though. The energy that an object or a system's particles have while in motion, however, is known as kinetic energy. Kinetic energy is present in anything in your house that moves. This might be the sound of a cue ball rolling on a pool table, the air being circulated by a fan on a hot day, or the breaking of glass as it drops from the counter and lands on the ground. Both individuals moving about the house and electrical appliances that are on both require kinetic energy.
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a 0.140-kg baseball traveling 39.0 m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 15.0 cm . What was the average force applied by the ball on the glove?
The average force acting on the baseball is 709.8 N. The result is obtained by using the Newton's second law.
What is Newton's second law?The Newton's second law states that "The acceleration is directly proportional to the net force acting on an object and inversely proportional to the object's mass." It can be expressed as
a = ∑F / m
Where
a = acceleration∑F = net forcem = object's massA 0.140 kg baseball travelling 39.0 m/s strikes the catcher's mitt. It then makes the ball to rest and recoils backward 15.0 cm. What was the average force applied by the ball on the glove?
We have:
Initial seed, v₁ = 39.0 m/s.Final speed, v₂ = 0.Displacement, d = 15.0 cm = 0.15 m.The baseball moves from a certain speed to rest. So, it has acceleration. We can get acceleration with the kinematic equation.
v₁² = v₂² - 2ad
39² = 0 - 2a × 0.15
1521 = - 0.3a
a = - 5070 m/s²
The (-) sign means the object is slowing down.
Using the Newton's second law, the average force is
a = ∑F / m
F = ma
F = 0.140 × 5070
F = 709.8 N
Hence, the average force applied by the ball on the glove is 709.8 Newton.
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based on the data in the diagrams, in which layer of the atmosphere would short wave radio signals be reflected? responses stratosphere stratosphere mesosphere mesosphere thermosphere thermosphere exosphere
The region of the atmosphere where the radio waves are scattered is the thermosphere .
What are radio waves?Radio waves are part of the electromagnetic spectrum. They are the waves that are able to travel a long distance because they have a very long wavelength and as a consequence they do have a low energy of the radiation.
Now we know that the atmosphere is composed of different spheres and the sphere that are in the atmosphere are classified based on the composition of each of these layers of the atmosphere.
The area of the atmosphere where there would be the scattering of the radio waves is in the region where it knocks off ions from the molecules of air. This area that we are referring to is the part that we call the thermosphere and ions are found there.
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How do quotas impact domestic consumers?.
Rising domestic prices paid by consumers.
Import quotas restrict market access for imported products. The result is usually higher domestic prices paid by consumers. This leads to lower consumer surplus and lower real incomes. It may also reduce the choice consumers have in the market.
Countries sometimes impose quotas on certain products in order to reduce imports and increase domestic production. In theory, quotas increase domestic production by limiting competition with foreign countries. Government programs that enforce quotas are often referred to as protectionist policies. Import quotas limit the number of certain goods that can be imported.
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a 1.1 kg mass suspended from a spring oscillates with a period of 2.2 s. how much mass must be added to the object to change the period to 5.2 s?
The mass must be added to the object to change the period to 5.2 s is 0.31 kg .
A time period (T) is the quantity of time it takes with one full cycle of vibration that passes over a selected vicinity. The time period of such a wave reduces as its increases in frequency. The time length is measured in 'seconds.
The time period is the time taken via a whole cycle of the wave to skip a factor. Angular frequency is the angular displacement of any element of the wave in line with a unit of time. The smallest interval of time after which the motion of the particle is repeated is called the length of oscillation. The time taken for one entire to the fro motion of a particle is called the duration of oscillation.
Calculation:-
T = 2π√m/k
So time period is directly proportional to √m.
(T1/T2) = √(m1/m2)
T1 = 2.2 s
T2 = 5.2 s
m1 = 1.1 kg
m2 = m1 + m = 1.1 + m
m = ?
( 2.2/ 5.2) = √(1.1 )/(1.1+m)
Squaring on both sides
( 2.2/ 5.2)² =(1.1 )/(1.1+m)
0.18 =(1.1 )/(1.1+m)
0.470+m = 0.921
m = 0.31 kg
So a mass of m = 0.31 kg should be added to the object to get a period of 5.2 s
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a prime mover is exerting a torque of 4 n-m on the shaft of a generator, driving it at 1781 rpm. find the mechanical power output of the prime mover in watts.
The mechanical power output of the primer mover in watts is 745.86 Watts.
The torque exerted by the prime mover is 4N-m.
The driving shaft is rotated with speed of 1781 rpm.
It means in one minute the shaft makes 1781 revolutions,
So, in one second,
1 second = 1781/60
In one revolution, the radian cover are 2π.
Hence, the angular speed of the shaft in radian per seconds is,
W = 1781/60 x 2π
W = 186.41 rad/s.
Now, the mechanical power output can be found as,
P = Torque x W
Putting values,
P = 4 x 186.41
P = 745.65 Watt.
So, the power output is 745.65 Watt.
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what has happened to the number of barred spirals, compared to the total number of spirals, over time as the universe has aged?
The proportions of barred spirals relative to unbarred spirals likely have changed throughout the history of the universe, with only about 10% containing rods about 8 billion years ago, to about a quarter of 2.5 billion years ago.
Barred spiral galaxies account for approximately 18% of all the galaxies that have been discovered. Examples are NGC 1365 in the constellation Fornax and NGC 1300.
About Barred Spiral GalaxyA barred spiral galaxy is a spiral galaxy with a central bar-shaped structure consisting of a star at its center. This rod can be found from half of all spiral galaxies. Bars generally affect the movement of stars and interstellar gas within spiral galaxies and can also affect spiral arms. The Milky Way galaxy, in which the solar system is located, is classified as a barred spiral galaxy.
Edwin Hubble classifies this type of spiral galaxy as "SB" (spiral, barred) in the Hubble classification and arranges them into sub-categories or sub-groups based on how open the spiral arms are.
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a typical pair of off-the-shelf reading glasses has 2.0 d lenses. what is the focal length of these lenses?
The focal length of these lenses is 50cm.
Solution:
Write the expression for the relationship between the power (P) and focal length (f) of a lens.
P = 1/F
From the above expression, the focal length of the given lenses can be determined as follows.
P = 1/F
F = 1/P
= 1/2.0D
= 5D⁻¹ (1M/1D⁻¹ )
= 0.5 M
= 50cm
The focal length of a lens is determined when the lens is focused to infinity. The focal length of a lens indicates its angle of view and magnification. The longer the focal length the narrower the angle of view and the higher the magnification.
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rank the forms of light from left to right in order of increasing frequency. to rank items as equivalent, overlap them.
Sort the light forms in increasing frequency from left to right. Radio waves, infrared, visible light, ultraviolet, X, and gamma rays are used to rank the items as being equal.
What, for instance, are radio waves?Sound is transmitted to a big audience through Am to FM radio broadcasting. Radio waves are used by radar, a detection technology, to gather information about things. Radio waves are used by Bluetooth enabling wireless communication to link devices.
How and where are radio waves used?For television and FM too Am radio broadcasts, handheld radios, mobile phones, directional antenna, wireless communications networks, and a variety of other communications applications, radio waves at different frequencies are employed. Most radio waves can readily travel through the atmosphere of Earth.
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Jupiter has enough mass to make 318 Earths. In contrast, Uranus and Neptune have only enough mass to makeSelect one:a.100 Earthsb.70 Earthsc.15 Earthsd.2 Earths
Jupiter has enough mass to make 318 Earths. In contrast, Uranus and Neptune have only enough mass to make beacause Since Galileo Galilei discovered the first moons outside of Earth in 1610, Jupiter has a long history of shocking astronomers. That finding altered our perspective of the universe.
The Ten Most Recent Jupiter Resources: Dust in the Wind (on Mars and Well Beyond)
Jupiter, the fifth planet from the Sun, is by far the largest planet in the solar system, with a mass that is more than twice that of all the other planets put together.
The well-known stripes and swirls of Jupiter are actually ammonia and water clouds floating in a hydrogen and helium atmosphere. These clouds are frigid and windy. The famous Great Red Spot on Jupiter is a gigantic storm that has been raging for hundreds of years and is larger than Earth.
Currently, one spacecraft, NASA's Juno orbiter, is investigating this.
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TRUE/FALSE. in general, there are 6 useful kinematics equations that we use to describe 2d motion. in the case with a projectile, this reduces to 4 useful equations.
There is a vertical and a horizontal component to the motion in two-dimensional projectile motion, such as that of a football or other thrown object.
Given statement is True.
What is 2D kinematics projectile motion?One of the simplest types of motion is that with a constant velocity. When there is little to no friction present, such as when a hockey puck slides across ice, this type of motion—which is similar to that of a puck sliding across ice—occurs. An object needs to be moving at a constant speed and in the same direction to have a constant velocity. The object is limited to moving in a straight line by constant direction.In accordance with Newton's second law, an object should accelerate if a force is applied to it (F=ma in math). No external forces should be acting on the object if the acceleration is zero. The following is a mathematical illustration of this:[mathrm a=frac dv dt = 0 v=const.]
If an object is moving at a constant speed, the graph of distance vs. time (mathrmx vs. mathrmt) displays the same change in position over each unit of time. Accordingly, the motion of an object moving at a constant speed is depicted by a straight line: (mathrm)x=x 0+vt, where (mathrm)x 0) is the displacement at (mathrm)t=0.If you know the trajectory of an object over time, you can also calculate its velocity. We can determine the velocity from a graph like in by dividing the change in distance by the change in time. The velocity can be thought of as the slope of the line in terms of graphs. The direction of our slope, which represents the velocity, can be either positive or negative. This reveals the object's motion's direction.To Learn more About two-dimensional projectile motion refer to:
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light of wavelength 640 nm is shone on a double-slit apparatus and the interference pattern is observed on a screen. when one of the slits is covered with a very thin sheet of plastic of index of refraction n
light of wavelength 640 nm is shone on a double-slit apparatus and the interference pattern is observed.minimum thickness off plate so that screen becomes dark at centre is 533nm.
what is interfernece pattern?Under these conditions, the points of constructive and destructive interference form a complex pattern, which we will refer to as an interference pattern. To begin the discussion, consider two sources of sound that give off waves in all directions. One source and wave is colored red, while the other is green
Interference Meaning. There are 5 meaning (s) for word Interference. Interference Meaning 1 : the act of hindering or obstructing or impeding. Synonyms : hinderance, hindrance. Interference Meaning 2 : electrical or acoustic activity that can disturb communication. Synonyms : disturbance, noise. Interference Meaning 3 : a policy of intervening ...
The geometrical path length from each slit to the center of the diffraction pattern is the same. Let the thickness of the plastic sheet be x. The optical path length through the plastic sheet is nx and the optical path length difference is therefore (n - 1)x. We need (n - 1)x = λ/2, for the minimum thickness n.
Alternatively:
Reaching the slits, the waves passing the slits are in phase. Upon exiting the slits they have a phase difference (k' - k)x = (2πn/λ - 2π/λ)x = (2π/λ)(n - 1)x.
For the minimum thickness we need (2π/λ)(n - 1)x = π, x = λ/(2(n-1)) = λ/1.2 = 533 nm. The minimum thickness is 533 nm.
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which lists the jovian planets in order of increasing distance from the sun? (a) jupiter, saturn, uranus, pluto (b) saturn, jupiter, uranus, neptune (c) jupiter, saturn, uranus, neptune
Jovian planets in order of increasing distance from the sun are jupiter, saturn, uranus, neptune. (C)
What are the Jovian PlanetsBased on the size and composition of the constituents, planets are grouped into terrestrial planets and Jovian planets. The Jovian planet is a planet that has a very large size and its constituent composition is the same as the Planet Jupiter.
The planets included in the Jovian planets are Jupiter, Saturn, Uranus and Neptune.
Planet Jupiter is the largest planet in the solar system. The diameter of this planet is 13,000 km with an average distance to the Sun of 778.3 million km.Planet Saturn is a Jovian planet that is easily distinguished from other planets. The reason, Saturn has a ring that is characteristic. Saturn's rings are chunks of meteorite ice with 402,000 km and about 15 km thick.Planet Uranus is a planet that was discovered by William Herschel in 1781. This planet is shrouded by a thick fog which mainly consists of methane gas. Uranus can reflect sunlight so well that it can easily appear blue.Planet Neptune has a shape similar to the Moon because there is a thin layer of silicate on its surface. The composition of the planet Neptune is iron and other heavy elements. The planet Neptune has 8 satellites, including Triton, Nereid, Larissa and Proteus.Learn more about the jovian planets at : https://brainly.com/question/17009173
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What happens when an electrically charged object is placed close to another object that is uncharged?.
The correct option is A.
The statement that will correct the error in Edwin's notes is as follows:
An electrically charged object needs to touch an uncharged object before they attract or repel.
How do electrically charged objects produce attraction?
The electrically charged objects produce attraction of oppositely charged objects. For example, if a positively charged object and a negatively charged object bring close to each other, they interact with one another. Their forces act in the same direction. i.e. from the positive to the negative charge.
There is an interaction between two oppositely charged objects required in order to furnish attraction, while there is an interaction between two identical charged objects required in order to furnish repulsion.
Therefore, whether it is attraction or repulsion, it must be required that an electrically charged object needs to touch an un-charged object.
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[NOTE: THIS IS AN INCOMPLETE QUESTION. THE COMPLETE QUESTION IS:
What happens when an uncharged object is placed close to a charged object, the objects can attract or repel each other. When two electrically charged objects is placed closed to another object that is uncharged?
A) An electrically charged object needs to touch an uncharged object before they attract or repel.
B) When an electrically charged object comes close to an uncharged object, it will attract it.
C) If an electrically charged object is near an uncharged object, it will repel it.
D) When two electrically charged objects are placed close together, they only attract.]
In the laboratory, the temperature is 295 k and the total pressure in the gas-collecting tube is 748. 6 mmhg. If the vapor pressure of water at 295 k is 19. 8 mmhg, determine the pressure of the h2(g) in the gas-collecting tube.
According to Dalton's law, the total pressure of a mixture of unreacted gases is equal to the sum of the partial pressures of the individual gases.
The pressure of H₂ gas collected in the tube will be 728.8 mm Hg
This can be calculated by:
Dalton's formula:
[tex]P_Total[/tex] = [tex]p_{H2O} + p_{H2}[/tex]
Given :
Total pressure of gases = 748.6 mm Hg
Partial pressure of water = 19.8 mm Hg
Partial pressure of Hydrogen = ?
Now using the formula we will calculate:
748.6 = 19.8 + p[tex]H_{2}[/tex]
728.8 = p[tex]H_{2}[/tex]
Therefore, The pressure of H₂ gas collected in the tube will be 728.8 mm Hg.
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a frame for a picture is 2 inches wide. the picture inside the frame is 4 inches lon-ger than it is wide. see the figure. if the area of the picture is 320 square inches, find the outside dimen-sions of the picture frame
If the area of the picture is 320 square inches, the outside dimensions of the picture frame would be 18 & 22 inches respectively.
What is area?It is the extent or measurement of a surface or piece of land.
As the question is mentioned about picture frame so it's going to be width times length to get the area of the picture frame or the picture itself.
How to calculate the outside dimensions of this picture frame?
Picture dimensions
width = x inches
length = x + 4 inches
area = 320 sq inches
X * (X+4) = 320
x^2 + 4x - 320 = 0
x^2 + 20x - 16x - 320 = 0
x (x+20) - 16(x+20) = 0
So X = 16, -20
dimension will not be negative so 16 is the only answer
picture dimension =
16 inches (width)
20 inches (length)
so the dimension of picture frame =
16 + 2 = 18 inches (width)
20 + 2 = 22 inches (length)
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