Question: How much work does an elevator motor do to lift a 1 4 0 0 kgkg elevator a height of 1 2 0 mm ?

How much work does an elevator motor do to lift a

1400

kgkg elevator a height of

120

?

Express your answer with the appropriate units.

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Answer

Part B

How much power must the motor supply to do this in

49

ss at constant speed?

Express your answer with the appropriate units.

=

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