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A particle of mass m moving with velocity v strikes a stationary particle of mass 2m and sticks to it. The speed of the system will be
detailed solution
Correct option is C
Initial momentum = mvFinal momentum = 3mVBy the law of conservation of momentummv = 3mV∴ V= v3Talk to our academic expert!
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A ball of mass m moving with a horizontal velocity v strikes the bob of a pendulum at rest. Mass of the bob of the pendulum is also m. During this collision, the ball sticks with the bob of the pendulum. The height to which the combined mass rises will be (g = acceleration due to gravity)
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