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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
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Correct option is C
Initial momentum = mvFinal momentum = 3mVBy the law of conservation of momentum mv=3mV∴V=v/3
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Two bodies having same mass 40 kg are moving in opposite directions, one with a velocity of 10 m/s and the other with 7 m/s If they collide and move as one body, the velocity of the combination is (m/s)
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