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OpenStudy (anonymous):
If you exert a force of 500 N to walk 4 m up a flight of stairs in 4 s, how much power do you use?
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OpenStudy (anonymous):
Please help me!
OpenStudy (anonymous):
Power = Work/time = energy/time = Force x distance/time = (500N)(4m)/(4s) units = Jules/sec = watts.
OpenStudy (anonymous):
Joules/sec = watts
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