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16 September, 22:00

A motor has the electrical energy equivalent to 400. joules of work. It can lift a 5.0 kg mass 2.0 meters. Calculate the work done by the motor.

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  1. 17 September, 01:35
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    Work is defined as force*displacement and the force is mass*gravity so roughly 50N and displacement is 2 meters so total work down is 100joules
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