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An elevator which can carry a maximum lo...

An elevator which can carry a maximum load of 1800 kg (elevator + passenger ) is moving up with a constant speed of 2 m/s . The frictional force opposing the motion is 4000 N. Determine the power of motor in H.P.

A

69 hp

B

59 hp

C

39 hp

D

79 hp

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The correct Answer is:
B
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