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Give one word for the following.
Energy possessed by moving objects. (Kinetic energy/ potential energy)

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Important Questions on Work, Energy and Power

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Science>Physics>Work, Energy and Power>Energy
Flying birds has
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A spring of spring constant K= 4x103N/m is compressed by 2 cm, then determine the potential energy stored in spring. 

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A block of 9 kg is moving with a velocity of 4 m/s on a frictionless surface. The block comes to rest by compressing the spring. If the spring constant is 4x104 N/kg, then find the compression in the spring.
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Science>Physics>Work, Energy and Power>Energy
In any physical or chemical process, the total energy:
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How fast should a man weighing 600 N run to achieve a kinetic energy of 750 J. Take g=10 m s-2.
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Science>Physics>Work, Energy and Power>Energy
Define a kilowatt-hour. How is it related to joule?
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Write in your words the definition of potential energy.
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Science>Physics>Work, Energy and Power>Energy
The temperature of the water at the bottom of a water fall is higher than that of the water at the top, because :
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Which of the following graphs shows correct relation of kinetic energy (E), potential Energy (U) and height (h) from the ground of a particle?
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An electron and a proton starting from rest get accelerated through a potential difference of 100KV. The final speeds of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?
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Science>Physics>Work, Energy and Power>Energy

State an example of renewable resource.

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Science>Physics>Work, Energy and Power>Energy
An object of mass 15kg is moving with uniform velocity of 4m/s. What is the kinetic energy possessed by the object?
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Describe in your words the law of conservation of energy.
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Ratio of potential energies of body A and body B will be

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Science>Physics>Work, Energy and Power>Energy
A rod of length l and mass m fixed at one end, is hanging vertically. The other end is now raised so that the rod makes an angle 30° with horizontal line. The work done in the process will be :
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In a simple Pendulum the displacement is equal to amplitude. Then kinetic energy will be
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A force acting on a 20 kg mass changes its velocity from 6 m/s to 3 m/s. The work done by the force is :
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If an object of mass 10 kg is moving with a uniform speed of 10 m/s, then the linear momentum and the kinetic energy of the object, respectively, are
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Science>Physics>Work, Energy and Power>Energy
Which of the following graphs best represent the graphical relationship between Kinetic Energy (K.E) and momentum (P) of a body in motion?
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Two bodies A and B have masses in the ratio 5:1 and their kinetic energies are in the ratio 125:9. Find the ratio of their velocities.