Questions
A ball of mas s m moving with a velocity u rebounds from a wall. The collision is assumed to be elastic and the force of interaction between the ball and wall varies as shown in the figure. Then the value of F0 is
detailed solution
Correct option is C
Area under the force-time graph is impulse, and impulse is change in momentum.Area of graph + change in momentum⇒ 12TF0=2mu⇒F0=4muTTalk to our academic expert!
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A batsman hits a sixer and the ball touches the ground outside the cricket ground. Which of the following graph describes the variation of the cricket ball's vertical velocity v with time between the time t1 as it leaves the bat and time t2 when it touches the ground
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