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Question 1
Consider the following two statements
1) Linear momentum of a system of particles is zero.
2) Kinetic energy of the system of the particle is zero.
Question 2
When a bullet is fired from a gun, the recoil force that acts on the gun is equal to the force on the bullet, but the bullet has higher energy. Why?
Question 3
The total work done on a particle is equal to the change in its kinetic energy
Question 4
The bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 m/s . The kinetic energy of the other mass is
Question 5
The ratio of dimensions of work to power will give
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