Physics, 12.01.2021 08:00 tylerallen0918102
A craned moved a 200 kg hot tub from the ground to the top of the hotel, 10 stories above the ground, in 80 seconds. If the crane used 200,000 J of energy, how much power did the crane need?
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Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?
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A craned moved a 200 kg hot tub from the ground to the top of the hotel, 10 stories above the ground...
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