Questions
Three particles A,B and C of equal masses move with equal speeds v along the medians of an equilateral triangle. They collide at the centroid O of the triangle. After collision A comes to rest while B retraces its path with speed v. The velocity of C is then
detailed solution
Correct option is D
Initial momentum of system is zero. So, final momentum should also be zero. Finally A comes to rest after collision, so to have final momentum zero, B and C should move in opposite directions.Talk to our academic expert!
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In the figure given the position-time graph of a particle of mass 0.1 kg is shown. The impulse at t = 2 s is :
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