Questions
A meal plate of mass 500 g is balanced in mid air by throwing 20 balls per sec, each of mass 5 g vertically up from below, which gets rebounced with the same speed. Find the velocity with which the balls strike the plate (g = 9.8 m/sec2)
detailed solution
Correct option is A
Mg=N(2mu)0.5×9.8=20×2×5×10−3×uu=4.90.2=24.5ms−1Talk to our academic expert!
Similar Questions
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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