Question

An open carriage in a goods train is moving with a uniform velocity of 10 m/s. If the rain adds water
with zero velocity at the rate of 5 kg/s, then the additional force required by the engine to maintain the
same velocity of the train is
(1) 0.5 N
(2) 20 N
(3) 50 N
(4) Zero​

Answer 1

Answer:

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Explanation:

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