Asked by John Smith
A weightlifter uses energy at a rate of 1000 J per second. He lifts a 100 kg mass at a constant rate
in 1.5 seconds. Find the work done while lifting the mass. Calculate the height the mass was
raised.
in 1.5 seconds. Find the work done while lifting the mass. Calculate the height the mass was
raised.
Answers
Answered by
oobleck
force * distance / time = power, so
work = 1000*1.5 = ___ J
100*9.81 * h / 1.5 = 1000
solve for h.
work = 1000*1.5 = ___ J
100*9.81 * h / 1.5 = 1000
solve for h.
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