A $20 H.P.$ motor is used in a lift of a $100 m$ tall building. If the elevator takes $45$ seconds to travel from the ground floor to the top of the building, calculate the work done by the motor.

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Q. A

20 H.P.

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15

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and assuming that all the floors are of the same height, find the time taken by the motor in lifting the empty

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10^{th}

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Q. A

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g = 10 {ms}^{- 2}

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A 20 H.P. motor is used in a lift of a 100 m tall building. If the elevator takes 45 seconds to travel from the ground floor to the top of the building, calculate the work done by the motor.

A $20 H.P.$ motor is used in a lift of a $100 m$ tall building. If the elevator takes $45$ seconds to travel from the ground floor to the top of the building, calculate the work done by the motor.