Collisions

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By Expert Faculty of Sri Chaitanya
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Question

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)

Moderate
Solution

By the conservation of momentum

40×10+(40)×(7)=80×vv=1.5m/s


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