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A wagon weighing 1000 kg is moving with ...

A wagon weighing 1000 kg is moving with a velocity 50 `km//h` on smooth horizontal rails. A mass of 250 kg is dropped into it. The velocity with which it moves now is

A

`2.5`km/hour

B

20 km/hour

C

40 km/hour

D

50 km/hour

Text Solution

Verified by Experts

The correct Answer is:
C
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