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The velocity ratio of certain weight lifting machines is 20.det... | Filo

SOLVED: An exercise room has 6 weight-lifting machines that have no motors and 7 treadmills each equipped with a 2.5 -hp (shaft output) motor. The motors operate at an average load factor of 0.7, at which their efficiency is 0.77 . During peak evening hours, all 12 pieces of exercising equipment are used continuously, and there are also two people doing light exercises while waiting in line for one piece of the equipment. Assuming the average rate of heat dissipation from people in an exercise r

Well-dressed people in the 1800s pictured using weight-lifting devices

6 Surprising Benefits Of Weight Training You Didn't Know

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