Asked by dolly

Johnny stacked 200 cans, each weighing 5 N, on shelves 1 meter high in only 100 seconds. How much power did he use for the task?
Answered by Damon
m g = 200 * 5 Newtons
work = PE = m g h = 200 * 5 * 1 Joules
work/time=power = 200 * 5 * 1 / 100
Joules/second or Watts
Answered by Anonymous
Oso
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