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Paul lifts a sack weighing 245 newtons vertically from the ground and places it on a platform at a height of 0.7 meters. If he takes 10 seconds to do this task, what power has he expended during this time?
10 years ago

Answers

bobpursley
power=work/time=force*distance/time
= 245*.7/10 watts
10 years ago
OIJ
12
10 years ago
ljw
172
9 years ago

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