What is the speed of light in chloroform (n ☐ 1.51)?

Graph - Object one is moving faster than object two.

Graph:
In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way. The relationships between two or more items are frequently represented by the points on a graph. Here, for instance, we can plot a graph showing the type and quantity of school supplies used by pupils in a class based on the data provided below. Each supply is first counted, and the data is then shown in a table with specific colours in a logical order.

Object one is moving faster than object two. This can be determined by looking at the slope of the lines on the graph. The steeper the slope, the faster the object is moving. In this case, object one has a steeper slope, meaning it is moving faster.

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The weight on neutron star is 5.27N

What is neutron?
The neutron is indeed a subatomic particle with the symbol n or n0 that is slightly heavier than a proton and has a neutral charge (one that is neither positive nor negative). Atomic nuclei consist of protons and neutrons. Protons and neutrons are both referred to as "nucleons" because of how similarly they behave inside the nucleus and because they both have masses that are roughly equal to one atomic mass unit. Nuclear physics explains their interactions and characteristics. Each proton and neutron is made up of three quarks, so they are not fundamental particles. The arrangement of electrons around an atom's heavy nucleus largely determines its chemical properties. The number of protons, or atomic number, determines the charge of a nucleus, which determines the electron configuration.

We know;

W = m.gn

g = Gm/r^2

= 6.674/m^3kg/s^2

Wn = 6.674(6.674x1.944/660)

= 5.27N

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      The sum of the forces exerted on an object must be zero since, in accordance with Newton's first law of motion, an object moving at a constant speed experiences no net external force. F net = 0 F net = 0 or F = 0 are two ways to express mathematically that an object is not being affected by any net external forces.

First Law of Newton: Inertia

According to Newton's first law, unless pushed to alter its condition by the operation of an external force, every object will continue to be at rest or in uniform motion in a straight line. Inertia is the propensity to resist changes in a condition of motion.

He second equation swaps out p for mv since p=mv. V stands for the object's speed, t stands for time, and F stands for force.

Newton's second law of motion uses the inertia formula "Force = Mass * Acceleration" to describe this phenomena and property. According to the formula, heavier objects need greater force to modify their acceleration.

Newton's first law is demonstrated by the motion of a ball falling through the atmosphere or by the firing of a miniature rocket into the atmosphere. The first law can also be used to explain how a kite moves as the wind changes.

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The final temperature of a 84.0g metal with an initial temperature of 72°C releases 553J of heat is 395.6K.

The temperature of a substance can be calculated by using the following formula:

Q = mc∆T

Where;

Initial temperature in Kelvins = 72°C + 273 = 345K

The final temperature is calculated as follows;

553 = 84 × 0.13 × (T - 345)

553 = 10.92T - 3767.4

10.92T = 4320.4

T = 395.6K

Therefore, 395.6K is the final temperature of the metal.

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The volume occupied by gas is 37.25 ml.

the rule that states that the sum of the absolute temperature of the gas and the universal gas constant is equal to the product of the pressure and volume of a single gram of an ideal gas.

The ideal gas law will be used for calculation of volume. The law is as follows :

P₁V₁ / T₁ =  P₂V₂ / T₂

Keep the values in mentioned formula to find the value of final volume.

V₂ = (14.8 × 23.5 × 415) ÷ (12.3 × 315)

Performing multiplication in both numerator and denominator on Right Hand Side of the equation

V₂ = 144,337 ÷ 3874.5

Performing division on Right Hand Side of the equation

V₂ = 37.25 ml

Thus, the final volume of given sample of gas is 37.25 ml.

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Answer:

43.58 m/s

Explanation:

The final velocity, initial velocity, distance traveled and acceleration are related by the equation

v² = u² - 2ad  [1]

where

v = final velocity

u = initial velocity

a = acceleration

d = displacement

Given u = 10 m/s, a = 1.5 m/s², d = 600 m

v² = 10 ^2+ 2 x 1.5 x 600

v² = 100 + 1800

v² = 1900

v = √1900 = 43.58 m/s

The velocity of the basketball rolling off a 1.20 m high desk and strikes the floor 0.55 m away from the base of the desk is 1.22 m/s.

What is projectile motion?

The path followed by a projectile is known as projectile motion, when we throw any object in the air it follows a certain trajectile and that trajectory is known as projectile motion.

What is the time of flight?

Every projectile remains in the air for a certain period of time the amount of time the projectile space in the air is known as time of flight for the same velocity with different angles the time of flight can vary.

given:

height of the table = 1.20 meters

range of the projectile = 0.55 meters

first, we need to determine the time of flight of the projectile using the height of the table.

the time of flight for both the motion i.e., in x axis and y axis will be same.

using newtons second law of motion we get,

s = u × t + 0.5 × a × t²

where,

s is displacement in y axis

u is the initial velocity of the basketball

t is the time of flight

a is the acceleration due to gravity

substituting value in newtons second law of motion we get,

1.20 = 0 + 0.5 × 10 × t²

t² = 0.24

t = 0.49 seconds

now we will use this to find the velocity of the basketball using time distance relationship,

distance = speed × time

0.55 = velocity of the basketball × 0.49

velocity of the basketball = 1.22 m/s

therefore, the velocity of the basketball rolling off a 1.20 m high desk and strikes the floor 0.55 m away from the base of the desk is 1.22 m/s.

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Answer:

Explanation:

When two magnets are brought together, the opposite poles will attract one another, but the like poles will repel one another. This is similar to electric charges. Like charges repel, and unlike charges attract. Since a free hanging magnet will always face north, magnets have long been used for finding direction.

The question is incomplete, however [tex]1/2\kappa (\mu^2 m^2g^2/k)[/tex] is  the potential energy stored in the spring.

of spring F=−kx

coefficient of kinetic friction F=μmg

At equilibrium, the mass and spring will both revert to their average positions.

so,−kx=μmg [tex]x=-\mu mg/k[/tex]

the potential energy stored the spring is

[tex]1/2kx^2=1/2k-\mu mg/k^2=1/2k(\mu^2m^2g^2/k)[/tex]

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As a noun, increase can mean the same thing as growth.

Increase has a number of popular synonyms, including augment, enlarge, and multiply. While all of these verbs indicate "to make or become greater," "increasing" denotes progressive expansion in size, amount, or intensity when used in the passive. When employed in the active, however, it could also suggest simple addition rather than progressive growth. Increase can be used as a noun to denote growth.

To decrease is to drop or decrease. Reduce your speed if you are going over the speed limit to avoid receiving a ticket. Students frequently ask teachers to provide less homework. Increase, which meaning to raise, is the polar opposite of reduction.

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The acceleration of the plane is obtained to be  1393 m.

Let us recall that the term acceleration is used to describe the change in the velocity of the object with time. We must now turn to the equations of the uniformly accelerated motion.

Now we have;

s= ut + 1/2at^2

s = distance covered

a = acceleration

t = time taken

u = initial velocity

Assuming that the airplane started from rest then;

s = 1/2at^2

s = 0.5 * 2.30 * (34.8)^2

s = 1393 m

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Supernovas are divided into types I and II because of the presence of hydrogen in the spectrum, that is, the light emitted in a given time.

It is a system that collection of all the planets and spatial bodies revolving around the sun because of the gravitational pull of the sun.

A type I supernova is one that mostly occurs in binary star systems with a white dwarf star as one of the stars.

Type II supernova: A star must be at least many times as massive as the sun in order to erupt as a Type II supernova.

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When pulled, springs apply a restoring force, according to Newton's Third Law of Motion. Hooke's Law governs the relationship between the spring force, spring constant, and spring displacement.

Rubber band stretched  x = F/k = 12.74 / 20 =0.64 m

The weight of the airplane hanging from the rubber band is given by the product between its mass (1.3 kg) and the acceleration due to gravity (g=9.8 m/s^2):

W = mg = 1.3* 9.8 = 12.74 N

This is the force that stretches the rubber band, according to Hooke's law:

F= kx

where

k = 20 N/m is the spring constant

x is the stretching of the spring with respect to its equilibrium position

Substituting F = 12.74 N and re-arranging the formula, we get:

x = F/k = 12.74 / 20 =0.64 m

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Because of the reduced density of the hydrocarbon fluids and gases, oil and natural gas move from sedimentary source rocks to reservoir rocks after their production.

By implication, good reservoir rocks need to have high porosity and permeability. The term "natural gas" refers to a variety of gaseous hydrocarbons produced beneath the surface of the Earth and entrapped in the pores of sedimentary rocks.

Although not always, these natural gases have close ties to the various liquid hydrocarbons, primarily liquid paraffins, naphthenes, and aromatics, which together make up oil.

The following are some characteristics of the depositional environment that have an impact on sedimentary rock properties:

(1) Lithology: This term explains the minerals that make up the crystals that make up sedimentary rock as well as the texture of those crystals. This depositional environment is where these minerals are found.

(2) Structure. Rock can have a variety of structures, including cross-bedding and ripple markings that indicate the direction of wind and water flow.

(3) Fossil content. Sedimentary rocks include fossils that are imbedded in them.

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Answer: The case of mars

Explanation: i would like you to read the case of mars as it explains everything about the planet and their livelihood and if humans can live there

Answer:

Mars: Our Future on the Red Planet

Explanation:

good book should read

Height can be calculated from GPE by mgh.

Gravitational energy or gravitational potential energy is the potential energy that a massive object has due to gravity relative to another massive object. It is the potential energy associated with the gravitational field that is released when  objects fall towards each other.  Gravitational potential energy depends on several things: it depends on the mass of the object, the gravitational acceleration of the object due to the ground, and the displacement of the object from the ground. Gravitational potential energy is measured in joules (J).

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Answer:

Explanation:

Yes, the nucleus contains neutrons along with protons.

The drag force is inversely proportional to velocity squared. Consequently, we may express the force ratio as,

F1 / F2 = V²1 / V²2

We can write values in place of them.

2.3 / F2 = 20² / 35.6²

F2 = 7.29 N

As a result, at 35.6 m/s, our drag will be 7.29 N.

The drag force is the force a solid body experiences while it is moving in relation to a fluid. Drag, for instance, on a moving ship or a flying jet. Thus, a drag force is the resistance a body traveling through a fluid, such as air or water, produces.

One example of the drag force, which is the force that objects experience when moving through a fluid, is air resistance (liquid or gas). Drag force is reactive, like kinetic friction, in that it only exists when an object is moving and it faces away from the direction of the object's motion through the fluid.

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The time it takes the toilet paper to hit the floor with an initial velocity of  0.28 m/s is 4.29 s.

Time is the duration at which a event occurs.

To calculate the time it takes the toilet paper to hit the floor, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the time it takes the toilet paper to hit the ground is 4.29 s

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Opal can only be formed where an ocean comes in contact with land.

Much of the world's precious opal is mined in Australia's rugged hinterland. Here, a unique combination of geological conditions led to the formation of opals near the edge of the ancient Inner Sea. Australia is one of the world's leading opal producers and is considered to be the finest opal in the world. Australia's perfect climatic conditions are responsible for these wonderful stones.

Opal formation dates back millions of years when Australia became a new continent covered by a vast inland sea with sedimentary basins. Australian opal is produced by a chemical reaction between silicon dioxide and water. As water flows through the earth, it picks up silica from sandstone and carries this silica-rich solution into cracks and voids caused by natural faults and the decomposition of fossils.

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True, In high-velocity automated decision making, humans are eliminated from the decision chain.

The  decision chain that governments must make in the extractive sector is what they must do in order to transform the natural resources found underground into improved development above ground. Paul Collier made this strategy well-known in his book The Bottom Billion by emphasizing the crucial steps to making sure that the riches of natural resources is converted into the wellbeing of citizens. Since then, this paradigm has served as a resource for other groups working on natural resource governance, including the World Bank, the Extractive Industries Transparency Initiative, and the Natural Resource Governance Institute (EITI). The process starts with the choice of whether to extract and involves decisions about how to distribute extraction rights, how to provide income and other advantages, and how to manage the income from extraction.

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The planets traveled on circles that orbited Earth in bigger orbits. The apparent retrograde motion of the planets was explained by this motion of "circle upon circle."

Ptolemy used eccentricity with an epicyclic model to account for the motion of the planets. Each planet in the Ptolemaic system circulates uniformly along a circular path known as an epicycle, with Earth at its center and around a larger circular path (deferent). The Ptolemaic System's central tenet was that the Sun and all other planets revolved or circled around the Earth, which served as the universe's center of gravity. Geocentric theories are those of the cosmos that place the earth at its center, like Ptolemy's. According to the Ptolemaic model, the moon, sun, stars, and other planets revolved or rotated around the earth, which was thought to be at the center of the universe. In this model, the globe was thought to revolve around itself.So, the planets traveled on elliptical orbits that encircled Earth in bigger radii.

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The force points in the opposite direction of the field, from high potential to low potential.

Each point in space has an electric field associated with it when there is charge available in any form. The value of E, often known as the electric field strength, electric field intensity, or just the electric field, expresses the strength and direction of the electric field.

The field lines never overlap one another. The surface of the charge and the field lines are perpendicular. The number of field lines and the charge size are proportionate.

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The total force will be 100 N .

Imagine that If suspend a 1 kilogram load from a spring scale. This has a pulling force of about 100 N. Next, take the weight off the spring scale and fasten it to a wall. Pull the scale until 1 kilogram is displayed. The weight and gravity's downward force of 100 N was the same when it was dangling. Consider what would happen if the end of the thread was linked to one spring scale and a second spring scale was attached to the wall. The spring scale on the other end will display 1 kg when you pull one of them firmly enough to get it to register that weight. They represent equal forces acting in opposition to one another.

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The Capacitance is 1.41x10^-11 farad

What is capacitance?
The ability of a material object or device to store electric charge is referred to as capacitance. It is defined as the change in charge as a result of a difference in electric potential, expressed as a ratio of those quantities.

Given;

A = 150mm2

= 150 x(10^-3)2

= 150x10^-6

Eo= 8.854x10^12 f/m

Dielectric constane, K =8

thickness, d = 0.2 mm

= 0.2 x 10^-3

Capacitance ,

C = KAEo/d

= 8x 150 10^-6x 8.854x10^-12/0.2x10^-3

= 1.41x10^-11 farad

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The magnetic field, which is defined as a field around a magnet that exerts a magnetic force on electrically charged particles present in the magnetic field, can be characterized as a scalar entity with the sole magnitude in space. The magnetic field can be measured in teslas.

An electric current runs through a wire coil when it is moved over a stationary bar magnet because the electrons are moving due to the magnetic field's force on them.

Consequently, the magnetic force is what causes the current to flow around the coil.

A magnetic field, a vector field that affects an electric current, an electric charge, and magnetic materials magnetically. A force perpendicular to the magnetic field and its own velocity acts on a moving charge in a magnetic field.

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Kilogram is the derived SI unit. Mole is NOT a subunit. Mole is one of the seven fundamental units. It is the SI base unit of substance amount.

The remaining six units are the second (time), the metre (length), the kilogram (mass), the ampere (current), the kelvin (temperature), and the candela (luminous intensity). The derived units are named after scientists, such as the hertz, watt, and coulomb. These units are denoted by the letters Hz, W, and C. Aside from meters per second, derived units include cubic meters and joules per kelvin. SI has seven base units upon which all others are based. The fundamental units are mass, length, time, temperature, substance amount, electric current, and luminous intensity.

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Answer:

3g/cm3

Explanation:

Mass divided by volume = density.

15g / 5cm cubed = 3g/cm cubed