Questions
An object of m kg with speed of v m/s strikes a wall at an angle and rebounds at the same speed and same angle. The magnitude of the change in momentum of the object will be
detailed solution
Correct option is A
P→1=mvsinθi^−mvcosθj^ and P→2=mvsinθi^+mvcosθj^ So change in momentum ΔP→=P→2−P→1=2mvcosθj^,|ΔP→|=2mvcosθTalk to our academic expert!
Similar Questions
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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