Asked by Anonymous
A motor outputs power of 500 watts and is used to raise a 5kg mass vertically at
constant speed. How long in seconds does it take to raise the mass 15 meters?
constant speed. How long in seconds does it take to raise the mass 15 meters?
Answers
Answered by
Anonymous
PE=mgh
5*9.8*15= 735
Power= Energy/time so..
t=E/P
t=735/500
t=1.47
5*9.8*15= 735
Power= Energy/time so..
t=E/P
t=735/500
t=1.47
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