Questions
A 0.5 kg ball moving with a speed of l2 m/s strikes a hard wall at an angle of 30° with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 seconds, the average force acting on the wall is :
detailed solution
Correct option is B
Fav=ΔpΔt=2mvsin30∘0.25=24NTalk to our academic expert!
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Statement I : The familiar equation mg = R for a body on a table is true only if the body is in equilibrium.
Statement II : The equality of mg and R has no connection with the third law.
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