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A cart is moving with a velocity 20 m/s....

A cart is moving with a velocity 20 m/s. Sand is being dropped into the cart at the rate of 50 kg/min. The force required to move the cart with constant velocity will be :

A

50 N

B

30.33 N

C

26.45 N

D

16.66 N.

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The correct Answer is:
D
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