1. 10 kg ms-1 changes in the momentum of an object in 0.02 seconds, then the force acting on the object is:
2. An object with the mass of 2 kg is thrown upward with the initial velocity 20 m/s after 2 seconds its kinetic energy will be-
3. A body rolling down on a hill has
4. A car is moving with a high speed. Which energy does is posses?
5. An object of mass 15 kg is moving with uniform velocity that of 7 ms-1. What is the kinetic energy of that object?
6. What will be the kinetic energy of an object of mass 20kg moving at a speed of 5ms-1?
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