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A 2 kg mass moving on a smooth frictionl...

A `2 kg` mass moving on a smooth frictionless surface with a velocity of `10 ms^(-1)` hits another `2 kg` mass kept at rest, in a perfect inelastic collision. After collision, if they move together

A

they travel with a velocity of `5 ms^(-1)` in the same direction

B

they travel with a velocity of `10 ms^(-1)` in the same direction

C

they travel with a velocity of `10 ms^(-1)` in opposite direction

D

they travel with a velocity of `5 ms^(-1)` in opposite direction

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The correct Answer is:
A
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NARAYNA-WORK POWER AND ENERGY-C.U.Q-Key
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