Think of a rod. The net force exerted on the rod would be zero if one force were acting in the downward at one end and an equal force were acting in the up direction at the other end.
What does force signify in science?Science has a precise definition for the word "force." At this point, describing a force as a push or even a pull is perfectly acceptable. A force is not something that an object "has in it" or "contains." A force from that other object can affect something else. No inanimate item or living thing is excluded from the definition of a force.
Force and example are what?Force is the term for an external source that causes a body to tend to modify or change its state. When force is applied to the body, it can also alter shape, size, and direction. For instance, kicking a ball, opening and closing doors, or kneading dough
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Label the structures of the vertebra. Lumbar vertebra Transverse process 1 Vertebral foramen 5 DONE FEATURES Body of vertebra Spinous process Superior articular process Superior view Pedicle Inferior articular procOSS Vertebral arch Lateral view Lamina < Prev 42 of 50 !!! Next >
There are five lumbar vertebrae situated in the lumbar region of the spine.
Brief about five lumbar vertebrae situated in the lumbar region?
There are five lumbar vertebrae situated in the lumbar region of the spine.It has large ,kidney shaped body.The vertebral foramen is triangular in shape.It has a short spinous processes situated posterior to the body .The pedicle arises from the body of the vertebra and joins with the lamina to form vertebral arch.The lamina is the portion of bone which attaches spinous process with the vertebral arch .The superior and inferior articular processes have facets for articulation with the adjacent vertebrae.The superior and inferior articular processes are seen in lateral view of the vertebra.Therefore, There are five lumbar vertebrae situated in the lumbar region of the spine.
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5) When light of frequency 5.4 x 10¹ Hz is incident on
emitted electrons is 1.2 x 1019J. Calculate the
a metal surface, the maximum energy of the
minimum frequency of radiation for which
electrons can be emitted. [h=6.6x1034Js]
Answer:
To calculate the minimum frequency of radiation for which electrons can be emitted, we need to use the equation E = hf, where E is the maximum energy of the emitted electrons, h is the Planck constant, and f is the frequency of the radiation. Substituting the given values, we get:
E = hf
1.2 x 10^19 J = (6.6 x 10^34 Js)(f)
f = 1.8 x 10^15 Hz
Therefore, the minimum frequency of radiation for which electrons can be emitted is 1.8 x 10^15 Hz.
Explanation:
To calculate the minimum frequency of radiation for which electrons can be emitted, we need to use the equation E = hf, where E is the maximum energy of the emitted electrons, h is the Planck constant (6.6 x 10^34 Js), and f is the frequency of the incident radiation.
Plugging in the given values, we have E = (6.6 x 10^34 Js)(5.4 x 10^14 Hz). Solving for f, we get f = E/h = (1.2 x 10^19 J)/(6.6 x 10^34 Js) = 1.8 x 10^-15 Hz. This is the minimum frequency of radiation for which electrons can be emitted from the metal surface.
what experimental evidence would lead to the student to conclude that free fall acceleration is constant acceleration
The distance fallen is proportional to the square of the falling time.
A graph of velocity vs. time is linear.
What is acceleration?In mechanics, acceleration is the rate at which an object's velocity with respect to time changes. Vector quantities include accelerations. The direction of the net force imposed on an object determines its acceleration in relation to that force. acceleration is the rate of change in both speed and direction of velocity over time.When anything moves faster or slower in a straight line, it is said to have been accelerated. Because the direction is always shifting, motion on a circle accelerates even while the speed is constant.The equation a = v/t denotes acceleration (a), which is the change in velocity (v) over the change in time (t).The distance fallen is proportional to the square of the falling time.
A graph of velocity vs. time is linear.
The complete question is,
A student conducts an investigation into the motion of a car that accelerates from rest on a straight, level roadway. A driver operating the car causes the car to speed up from rest at time t = 0 and the student makes measurements of the distance traveled and the speed of the car every second. What experimental evidence would support the conclusion that the car's acceleration is uniform? Select two answers.
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A box is released from rest and slides down a ramp in a
closed system. Even though the box speeds up, its
What best explains why the box's final kinetic energy is
kinetic energy at the bottom of the ramp is less than the
less than its initial potential energy?
potential energy that it had at the top of the ramp.
O In a closed system, kinetic energy is always less IS
than potential energy.
Some potential energr-was converted into thermal
energy due to friction.
• The acceleration due to gravity became smaller as
the box slid down the ramp.
In
closed system, total energy is constantly being
lost to outside objects.
Some potential energy was converted into thermal energy due to friction. Option C
What is mechanical energy?We know that the term mechanical energy has to do with the energy that possessed by a body owing to the fact that it is in motion or the fact that it is stationary. If the energy is possessed by the object because the object is moving, that means that the energy is the kinetic energy. If the energy is due to the position of the object, we say that the energy is potential.
Now we know that in a closed system, the total mechanical energy of the system must be a constant. The implication of this is that the potential energy of the object at the top of the ramp must be equal to the kinetic energy of the object at the bottom of the ramp.
However, the existence of friction causes some of the energy of the object to be lost as heat as it is descending down the ramp.
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A maximum strength skeletal muscle contraction can be sustained indefinitely.2 ptsTrueFalse
Answer:
Explanation:
false
A table is holding a giant 23-kilogram bowl of Frosted Flakes you poured this morning. You are super hungry! Which of Newton’s laws of motion explain why the bowl of Frosted Flakes can be held up by the table?
Newton's first law of motion is applied .
What is meant by newton's first law ?First Law of Motion of Newton (Inertia) Unless influenced by an imbalanced force, an item at rest stays at rest, and an object in motion keeps moving in a straight path at a constant pace.
According to Newton's first law, if a body is at rest or moving in a straight line at a constant speed, it will continue to move at that speed or remain at rest until acted upon by a force.
According to Newton's First Law, a body in uniform motion or at rest will remain in that state up until and unless a net external force acts on it.
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Dynamic Study Modules provide personalized content to target a student's strengths and w Understanding by presenting relevant materials from the text. Part B What is required to access Dynamic Study Modules?
O Enrollment in a course that uses Mastering with Dynamic Study Modules
O A current Mastering username and password
O Previously signing in from a desktop, if using DSM on the mobile app
O All of the above
Option D; ( All of the above) Enrollment in a course that uses Mastering with Dynamic Study Modules, A current Mastering username and password and Previously signing in from a desktop, if using DSM on the mobile app.
Electrons serve as the charge carriers in a wire, and the amount of charge moving through any point of the wire in a given amount of time is measured as electric current. In direct current, the direction of the electric charges is not periodically reversed, although it is in alternating current. In many situations, the flow of positive charge in electrical circuits—the direction opposite to the actual drift of electrons—is assumed to be the direction of the current. When defined in this way, the current is known as conventional current. Any movement of electric charge carriers, such as ions (atoms that have gained or lost one or more electrons), holes (possibly thought of as electron deficiencies), or subatomic charged particles (e.g., electrons with a negative charge and protons with a positive charge) constitutes an electric current.
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what must the coefficient of static friction be for a car traveling at 115 km/h around the same turn?
Generally, the coefficient of static friction should be at least 0.7 for a car traveling at this speed, but this value could be higher depending on the specific conditions.
The coefficient of static friction, or μs, is the ratio of the maximum static force that can be applied without causing slipping to the normal force between two surfaces. The coefficient is affected by the surfaces in contact and the material they are made of.
The tires of a car also have an effect on the coefficient of static friction. Tires with a greater tread depth can provide better grip on the road and therefore have a higher coefficient of static friction than tires with a shallow tread. Tire pressure also plays a role, as low pressure can reduce the coefficient of static friction.
The weight of the vehicle is also an important factor. Heavier vehicles tend to have a higher coefficient of static friction, as the greater mass increases the normal force between the car and the surface.
In conclusion, the coefficient of static friction for a car traveling at 115 km/h around a turn depends on several factors, including the road surface, the vehicle's tires, and the vehicle's weight.
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Chris puts PPE in order to protect:
Chris puts PPE in order to protect from: chemical, physical, or biological waste site hazards.
What is PPE?
Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other clothing or equipment designed to protect the wearer's body from injury or infection. Hazards encountered by protective equipment include physical, electrical, thermal, chemical, biohazards, and airborne particulate matter. Protective equipment can be worn as part of occupational health and safety and during sports and other leisure activities. Protective clothing is used for traditional clothing categories, and protective clothing applies to items such as pads, guards, shields, masks, etc. PPE suits may resemble cleanroom suits in appearance.
The purpose of personal protective equipment is to reduce employee exposure when engineering and administrative controls are not feasible or effective and to mitigate these risks to acceptable levels. He needs PPE when the danger exists. PPE does not eliminate hazards at their source and has the serious limitation that employees can be endangered in the event of equipment failure.
Therefore, Chris puts PPE in order to protect from: chemical, physical, or biological waste site hazards.
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A converging lens is used to project the image of an arrow onto a screen as shown. The image is A) Real and upright B) Real and inverted C) Virtual and upright D) Virtual and inverted E) Impossible to determine
The correct option is B); Real and inverted , Since, the image is formed on the other side of lens it will be real and inverted.
When an item is positioned in front of the focal point of a converging lens, a virtual picture is created. The picture is enlarged and upright in this posture, making it simpler to observe.
When the rays come together, a true image is created. A virtual picture is always created above the primary axis, therefore it is always upright, as opposed to a real image, which is always formed below the principal axis and is always inverted.
A actual and inverted picture of an item positioned on the primary axis can only be formed by a convex lens.
While virtual pictures are created by diverging beams, real images are created by intersecting rays. While virtual pictures cannot be shown on a screen, real images may. Concave and convex lenses placed in opposition create real pictures.
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shinji presses a book between his hands as the picture indicates. the forces he exerts are perpendicular to the covers of the book. the book weighs 46 n. the coefficient of static friction between his hands and the book is 0.25. what is the minimum force that each hand must exert in order to keep the book from falling?
The normal force between the books = 46 N
The static friction coefficient = 0.25
Friction occurs when trying to move an object at rest on a surface without actually causing relative motion between the object and the surface on which it rests.
The force of the static friction can be found using the formula,
F = μ x N
where F is the force of the static friction
μ is the static friction coefficient and
N is the normal force
Let us substitute the known values in the above equation, we get
F = 0.25 x 46
= 11.5 N
Therefore, the force of the static friction is 11.5 N
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a uniform magnetic field is applied perpendicular to the plane of a 60-turn circular coil with a radius of 6.0 cm. if the magnetic field increases uniformly from 0.20 t to 1.8 t in 0.20 s, what is the magnitude of the emf induced in the coil?
When uniform magnetic field is applied perpendicular to the plane of a 60-turn circular coil with radius of 6.0 cm, then magnitude of induced EMF,∣ε∣ is calculated to be =5.425 V.
What is magnetic flux?Magnetic flux is directly proportional to magnetic field and area of the flux that passes through it. Area remains same as the magnetic flux increases by increasing the magnetic field.
ϕ=BAcosθ
As the surface is perpendicular to the field then angle is zero.
So, ϕ=BA
The change in magnetic flux is,
dФ/dt= A (dB/dt)
Here, A is area and is constant.
Area of the circular coil is πr²
The change in magnetic flux:
dФ/dt= πr²(dB/dt)
Here, r is the radius.
Given magnetic field increases from 0.20 T to 1.8 T in 0.20 s.
dФ/dt= π6²* ( 1.8-0.8)/0.2
= 0.090 T/s
EMF, ε=−Ndϕ /dt
As dϕ /dt = 0.090432T/s
Now, ε=−(60)(0.090432T/s)
ε =5.425 V
Magnitude of induced EMF,
∣ε∣=5.425 V
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what do rx, ry, , and |r| represent in terms of the force of the current, and what do they represent in terms of the forces moving the boat?
Rx and Ry represent the x- and y-components of the force of the current, respectively.
The magnitude of the force of the current, or the strength of the current, is represented by |r|. In terms of the forces moving the boat, the x- and y-components of the force of the current represent the horizontal and vertical forces that the current exerts on the boat.
|r| represents the magnitude of this force, which can be thought of as the intensity of the current. The stronger the current, the greater the force it will exert on the boat and the greater impact it will have on its movement.
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as the frequency of an electromagnetic wave increasesresponsesits speed must increase.its speed must increase.its amplitude must increase.its amplitude must increase.its wavelength must increase.its wavelength must increase.its energy must increase.
False. The speed of an electromagnetic wave doesn't change as its frequency rises.
What exactly is an electromagnetic wave?The unseen energy that moves throughout the cosmos is known as electromagnetic waves. But some of this energy's effects are visible. The electromagnetic spectrum includes the light that can be seen by our eyes.
When an electric field and a magnetic field vibrate together, electromagnetic waves, or EM waves, are produced. Thus, magnetic and electric fields oscillate to form electromagnetic waves (EM waves).
Due to the fluctuating electric and magnetic fields that they include, energy waves are known as electromagnetic (EM) waves. By comparing their wavelength or frequency, from high to low frequency, scientists may categorize them (short to long wavelength).
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A person eats an 304.39 J snack before working out. If a person uses all of their
eaten energy to lift a 8.86 kg weight. How high can they lift the weight?
The height at which the weight of mass 8.86 kg was lifted is 3.5 m.
What is height?Height is the vertical distance between two points.
To calculate how high the weight is lifted, we use the formula below.
Formula:
H = E/mg........ Equation 1Where:
H = Height m = Mass of the of the weightg = Acceleration due to gravityE = Energy of the personFrom the question,
Given:
m = 8.86 kgE = 304.39 Jg = 9.8 m/s²Substitute these values into equation 1
H = (304.39)/(8.86×9.8)H = 3.5 mHence, the height the weight can be lifted is 3.5 m.
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how much work is done by the environment in the process shown in the figure?
Work done by the environment is [tex]-1J[/tex]
Initial kinetic energy, [tex]K_{i} =4J[/tex]
Initial potential energy, [tex]U_{i} =1J[/tex]
Final potential energy, [tex]U_{f} =2J[/tex]
Final kinetic energy, [tex]K_{f} =1J[/tex]
Final thermal energy, [tex]E_{th} =1J[/tex]
The work that an object can perform as a result of its mobility is measured by its kinetic energy.
The entire energy in any process is always conserved, according to the law of energy conservation. As a result, the process's final kinetic energy is computed as
[tex]K_{i} + U_{i} + W_{ext} = K_{f} + U_{f} + E_{th}[/tex]
Substituting the values from the energy bar chart given,
[tex]4+1+ W_{ext}=1+2+1[/tex]
[tex]W_{ext}= -1J[/tex]
In physics, Work is the energy transferred to or from an object thru the application of force alongside a displacement. it's miles a trendy mechanical amount. In its only form, for a regular pressure aligned with the path of motion, the paintings equal the product of the force of electricity and the gap traveled. A pressure is stated to do positive paintings if while carried out it has a thing within the path of the displacement of the factor of software. A force does bad work if it has an issue contrary to the direction of the displacement on the factor of application of the force.
As an example, whilst a ball is held above the floor and then dropped, the work performed via the gravitational pressure on the ball as it falls is wonderful and is the same as the load of the ball (a force) accelerated with the aid of the distance to the ground (a displacement). If the ball is thrown upwards, the paintings performed with the aid of its weight are negative and are identical to the burden accelerated by the displacement in the upwards route.
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Complete Question:
How much work is done by the environment in the process shown in the figure? Is energy transferred from the environment to the system or from the system to the environment?
n mev/c, what is the magnitude of the momentum associated with a photon having an energy equal to the electron rest energy? what are the (b) wavelength and (c) frequency of the corresponding radiation?
The momentum associated with a photon having an energy equal to the electron rest energy is 0.511 MeV/c. The wavelength is 2.43pm and the frequency of the corresponding radiation is 1.24×10^20Hz
(a) The rest energy of an electron is given by E=mc^2
Thus the momentum of the photon is given as:
p = E/c = mc^2/c = mc where m is mass of electron = 9.11x10-31kg
p = 9.11x10-31x3x10^8 = 2.73x10-21kgm/s = 0.511 MeV/c
(b) the wavelength (λ) = h/p where h is planck's constant = 6.63×10−34Js
λ = 6.63×10−34/2.73x10-21 = 2.43×10−12m = 2.43pm
(c) the frequency of the corresponding radiation f =c/λ
f = 3x10^8/ 2.43×10−12 = 1.24×10^20Hz
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Why is it important to shift gears correctly when driving a vehicle?
Shifting gears correctly is important when driving a vehicle to ensure that the car is operating at its most efficient level.
By selecting the correct gear, you can ensure that the engine works at its optimal speed, allowing it to produce the most power with the least fuel. This helps you save money on fuel costs and reduces your car’s environmental impact.
Shifting gears correctly allows you to control the speed of your car. When accelerating, you need to select a higher gear so that the engine produces more torque, enabling your car to accelerate faster. When slowing down, you should select a lower gear to reduce the engine’s revolutions per minute (RPM), allowing you to slow down quickly and safely.
Finally, correctly shifting gears also ensure your passengers' safety, including yourself. If you shift gears too quickly or at the wrong time, you increase the risk of your car stalling, which can be dangerous in certain situations. In addition, selecting the wrong gear for your traveling speed can lead to acceleration and braking, leading to an uncomfortable and potentially difficult ride.
In conclusion, it is important to shift gears correctly when driving a vehicle to ensure efficient fuel use, control the speed of the car, and keep you and your passengers safe.
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a student gives a 25 n push against a 10 kg stationary cart for 3 seconds. determine the final velocity of the cart.
A final velocity is a speed at which an object is moving after having gone through an acceleration over some time.
What is an final velocity?Initial velocity describes how fast an object travels when gravity first applies force on the object. On the other hand, the final velocity is a vector quantity that measures the speed and direction of a moving body after it has reached its maximum acceleration.After the collision, the combined (vector sums, use correct signs) of the two carts' momentum must equal the incoming momentum. Since you have the mass and velocity of one of the two cars, and the mass of the other, you should be able to find the missing velocity: p = mrivri = mrfvrf + mbfvbf.The relative velocity is defined as the velocity of an object with respect to another observer. It is the time rate of change of relative position of one object with respect to another object.People mistakenly think the final velocity for a falling object is zero because objects stop once they hit the ground. In physics problems, the final velocity is the speed just before touching the ground.
Given;
mass of the package, m₁ = 10 kg
mass of the cart, m₂ = 25 kg
initial velocity of the package, u₁ = 3 m/s
initial velocity of the cart, u₂ = 0
let the final velocity of the cart = v
(a) Apply the principle of conservation of linear momentum to determine common final velocity for ineleastic collision;
m₁u₁ + m₂u₂ = v(m₁ + m₂)
10 x 3 + 25 x 0 = v(10 + 25)
30 = 35v
v = 30 / 35
v = 0.857 m/s
(b) the impulse experienced by the package;
The impulse = change in momentum of the package
J = ΔP = m₁v - m₁u₁
J = m₁(v - u₁)
J = 10(0.857 - 3)
J = -21.43 kg.m/s
the magnitude of the impulse experienced by the package = 21.43 kg.m/s
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an empty storage tank has a volume of 8,190 ft3. what is the buoyant force exerted on it by the air?
The buoyant force exerted in storage tank of volume 8190 ft^3 by the air at STP is 2783.95 N
Given,
Volume of tank = [tex]8190 ft^3[/tex]
The buoyant force is nothing but the upward force exerted on object immersed entirely or partially in a fluid. Buoyant force is also called Upthrust force . A object submerged in a fluid appears to lose weight, i.e. appears to be lighter, due to buoyant force.
Assume that the air is at 0°C and 1 atmospheric pressure.
Buoyant force can be calculated by formula,
[tex]F_B=\rho vg[/tex]
where,
[tex]\rho[/tex] = fluid density of air = [tex]1.225 kg /m^3[/tex]
g=gravitational acceleration = [tex]9.8 m/s^2[/tex]
v=volume in meters = [tex]8190 ft^3 = 231.9m^3[/tex]
[tex]F_B=1.225*231.9*9.8=2783.9N[/tex]
Thus, the buoyant force exerted in tank by air is 2783.N
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a 1.2 kg book is lying on a 0.77 m -high table. you pick it up and place it on a bookshelf 2.0 m above the floor. during this process, how much work does gravity do on the book?
According to the given statement 20.49J work does gravity do on the book.
What is work in a physics?When an object changes over a range by an external force, at least a portion of that force must be applied there in plane of the displacement. This is known as work in physics. Stimulates into an object to cause some displacement is what is referred to as work. The ability to perform tasks is referred to as energy. The work is consistently the same. ’s kinetic energy are two examples of the various types of energy. Joule is the SI sequence of tasks (J). The work accomplished by a force with one newton creating a motion of one meter is known as a joule.
Briefing:W=Fd
W=mgd=mgh
W=(1.7kg)(9.8m/s^2)(2m-0.77m)
W=20.49J
The work is equal to 20.49J.
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the force vs. time graphs for two collisions are shown. which collision has the largest impulse?
Momentum is a product of the mass and velocity of particles in motion while impulse is the rate of change of the momentum of particles/objects when a force acts on the object.
The impulse of the collision in system A is twice the impulse of the collision in system B
Impulse is given as J = F.dt
In case of impulse 1,
it is F(1-0.5) = 4* 0.5 = 2 Ns
In case of impulse 2,
it is = 2(2.5 - 1.5) = 2Ns
We saw that, both the impulses are calculated to be 2Ns.
Therefore, both the impulses in the graph are same.
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find an expression for this integral involving the current i(t) and any needed constants given in the introduction.
The expression of current in the loop enclosed to the left of the capacitor plate is [tex]$I(t)=\frac{1}{\mu_0} \int B \cdot d L$[/tex].
What is Ampere's law?
The magnetic field produced by an electric current is proportional to the magnitude of that current, with a constant of proportionality equal to the permeability of empty space, according to Ampere's law.
As we know by Ampere's law that line integral of magnetic field around a closed loop is proportional to the current enclosed in the path
So we will have
[tex]$\int B \cdot d L=\mu_0 I(t)$[/tex]
so we have
[tex]$I(t)=\frac{1}{\mu_0} \int B \cdot d L$[/tex]
So above is the expression of current in the loop enclosed to the left of the capacitor plate.
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Ignoring air resistance, the velocity of an object, v, in meters per second can be found after the object has fallen h meters by using the formula v=â19.6h. Find the velocity of a rock that has fallen 21 meters after being dropped from a cliff.
Answer:
Below
Explanation:
I believe that equation is v = sqrt ( 19.6 h )
when h = 21 :
v = sqrt (19.6 * 21) = 20.3 m/s
Help please like actually someone help me PLEASE
The final speed of the motorcycle is: 67 m/sec
What is speed?Velocity is the pace and direction of an item's movement, whereas speed is the time rate at which an object is travelling along a route. In other words, although velocity is a vector, speed is a scalar quantity.
Given that,
initial speed of the motorcycle, u=25 m/sec
Acceleration of the motorcycle, a = 7 m/sec²
According to the equation of motion,
v = u + at
v = 25 m/sec + (7m/sec²) × (6 sec)
v = 67 m/sec
Thus, final speed of the motorcycle is: 67 m/sec
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____a form of energy caused by the movement of molecules from warmer substances or objects to cooler ones. a. Conductor
b. Convection
c. Conduction
d. Heat
The right answer is D. Heat is a type of energy that results from molecules moving from warmer kinds of particles to cooler ones.
Why is energy so crucial?Computers, vehicles, communications, state-of-the-art medical technology, and many other things are all powered by energy. The demand for dependable and economical energy is especially pressing for emerging countries. It might even save a person's life.
How does energy originate?When electrons transfer by one atom to another, energy is produced. Heat and light are other examples of energy. It is also possible to convert one type of energy into another. Chemical energy that has been stored converts to electric energy using a battery.
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If light rays actually converge to the image point, the image is said to be a (virtual/real?) image and the image distance is positive. If the rays diverge, they should be extended backward with dashed lines to the common image point where they appear to meet. The image is said to be a (virtual/real?) image.
A virtual image is formed when light rays diverge from a common image point.
The image distance is negative because the light rays are extending away from the image point. This is because the light rays never actually meet at the image point and only appear to meet when extended backward.
A virtual image is an image that is formed when light rays do not actually converge to the image point but instead diverge from the image point. The image distance is negative in this case, and the rays should be extended backward with dashed lines to a common image point where they appear to meet.
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if the spring constant of a simple harmonic oscillator is quadrupled, by what factor will the mass of the system need to change in order for the frequency of the motion to remain the same?
the mass of the system must be quadrupled
here,
the initial spring constant is K0
the final spring constant , K = 4 * K0
when the frequency remains the same
(1/2*pi) * sqrt(K/m) = (1/2*pi) * sqrt(K0/m0)
K/m = K0 /m0
4 * K0 /m = K0 /m0
m = 4 * m0
the mass of the system must be quadrupled
In classical mechanics, a harmonic oscillator is a system that, when displaced from its equilibrium position, experiences a restoring force F proportional to the displacement x:
where k is a positive constant. If the only force acting on a
system is F, the system is called a simple harmonic oscillator, and it oscillates simply. Sinusoidal oscillation of constant amplitude and constant frequency (independent of amplitude) around the equilibrium point.
A harmonic oscillator is called a damped oscillator if there is also a frictional force (damping) proportional to velocity. Depending on the coefficient of friction, the system can:
Oscillates at a lower frequency than undamped and decreases in amplitude over time (underdamped oscillator). The
damps to its equilibrium position without oscillation (overdamped oscillator).
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Match the examples of types of learning to the term for that type of learning Habituation A. The first time you went to a party at your friends' house you weren't sure if you had to take your shoes off when you entered or not so you looked at what other people were doing and imitated them. Sensitization Phase-specific learning B. Your friend is driving and did not put their seatbelt on so the car is beeping at them. You are becoming increasingly annoyed by the beeping sound. Classical conditioning C. You typically eat popcorn while watching Netflix. You ran out of popcorn and noticed that when you started watching Netflix, you were hungry and craving popcorn Operant conditioning Observational learning D. You enjoy spending time on social media but need to study more, so you made a plan to allow yourself to spend 15 minutes on social media for every hour you study. Your studying increased as a result of this plan E. When geese are born they learn to follow the first large moving object they see F. Your smoke detector battery died 20 minutes ago so the smoke detector has been beeping. You no longer notice it though.
A.observational learning B.sensitization C.classical conditioning D.operant conditioning.
Habituation is a sort of learning, right?A non-associative learning process known as habituation occurs when a stimulus is presented repeatedly or for an extended period of time and results in a decrease in the innate (quasi) response to that stimulus.
What are the three different types of psychological learning?Classical and operant conditioning, operant, and learning theory are the three main categories of learning.Associative learning refers to the process of creating associations between related events, and both classical & operant conditioning fall under this category.
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Which of these ions triggers exocytosis of synaptic vesicles.
Ca ions bind to a complex of proteins responsible for the exocytosis of synaptic vesicles
[tex]Ca^{2+}[/tex] triggers exocytosis of synaptic vesicles.
The primary organelle for the release of neurotransmitters is the uniform, ≈40 nm-diameter synaptic vesicle. Numerous synaptic vesicles packed with neurotransmitters can be found in hundreds of presynaptic nerve terminals. A presynaptic plasma membrane depolarization caused by an action potential causes [tex]Ca^{2+}[/tex]-channels to open, allowing [tex]Ca^{2+}[/tex] to enter the nerve terminal and cause synaptic vesicles to exocytose, releasing their neurotransmitters into the synaptic cleft. By attaching to synaptotagmin, [tex]Ca^{2+}[/tex] initiates exocytosis. Following exocytosis, vesicles are recycled, re-endocytosed, and refilled with neurotransmitters.
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