bipulcKrish8970 bipulcKrish8970

18-04-2020
Physics

contestada

A 1300 kg elevator is lifted at a constant speed of 1.3 m/s through a height of 22 m. How much work is done (a) by the tension in the elevator cable and (b) by gravity?

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merecast30 merecast30

18-04-2020

Wc= mgd =280 kj
Wg = mgd = -280 kJ

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