Question

A bullet of mass 10 grams leaves a refill at initial velocity of 1000metre per second and strikes the year same live with a velocity of 100 metre per second the work done in overcoming the assistant of will be ​

Answer 1

Explanation:

Work done = change in kinetic energy of the

body

W=12×0.01[(1000)2−(500)2]=3750joule.