Asked by Kaye

What is the power delivered by a motor lifting an elevator weighing 1250kg up 89 floors at 16.8 meters per second
Answered by Henry
F = mg = 1250kg * 9.8N/kg = 12,250 N.

P = F*V = 12250 * 16.8m/s = 205,800 J/s
= 205,800 Watts.
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