A problem by SUCHITRA MOHANTY
Level
2
A cricket ball of mass 250 g collides with a bat with velocity 10m/s and returns with the same velocity with in 0.01second.What is the amount of force acted on the bat in newton?
The answer is 500.
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1 solution
According to the Newton's II law, force is rate of change of momentum (dp/dt) Here Momentum = mv - (-mv) which equals to 2mv . Therefore, 2x0.25x10 = 5. Now, the rate of change of momentum is 5/0.01 which equals to 500 Newtons.