A machine
of efficiency of 70% is used to raise
a body of
mass 80 kg through
a verti...
Physics, 02.12.2020 15:30 brentkellen6331
A machine
of efficiency of 70% is used to raise
a body of
mass 80 kg through
a vertical distance of 3m in
40 seconds. Calculate the power input. (Take g = 10 m/s²)
Answers: 3
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Answers: 1
Physics, 21.06.2019 22:50
A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp
Answers: 1
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