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Answer to Question #78170 in Physics for Robert
Question #78170
What is the maximum height to which a motor having a power rating of 20.4 watts can lift a 5.00 kilogram stone in 10 sexonds
Expert's answer
The energy of a stone at the maximum height
E=mgh_max=Pt
So
h_max=Pt/mg
=(20.4W×10s)/(5.00kg×9.81m/s^2 )=4.16 m
E=mgh_max=Pt
So
h_max=Pt/mg
=(20.4W×10s)/(5.00kg×9.81m/s^2 )=4.16 m
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