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Physics, 08.10.2019 20:00 fredo99

Aboy of mass 60 kg runs up a staircase of 50 steps in 10s. if height of each steps is 12 cm, find the power

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Aboy of mass 60 kg runs up a staircase of 50 steps in 10s. if height of each steps is 12 cm, find th...

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