Questions
An object of mass 2 kg is moving with a velocity of 3 m/s and collide head-on with an object B of mas 1 kg moving in the opposite direction with a velocity of 4 m/s. After collision both objects coalesce so that they move with a common velocity v equal to
detailed solution
Correct option is D
Applying the law of conservation of momentum2×3−1×4=(2+1)v 2=3v or V=2/3m/sTalk to our academic expert!
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Three particles each of mass m are located at vertices of an equilateral triangle ABC. They start moving with equal speeds each along the meridian of the triangle and collide at its center G. If after collisions A comes to rest and B returns its path along GB, then C
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