An elevator motor lifts a load of 2500 kg a height of 12.0 m in 3.00 seconds. a. determine the useful energy output b.

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answerhappygod
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An elevator motor lifts a load of 2500 kg a height of 12.0 m in 3.00 seconds. a. determine the useful energy output b.

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An elevator motor lifts a load of 2500 kg a height of 12.0
m in 3.00 seconds.
a. determine the useful energy output
b. determine the energy required by the motor if the elevator is
85% efficient
c. calculate the power delivered by the motor
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