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Physics, 13.01.2021 14:00, angelaencinas90
A man pushes a boulder with a mass of 50kg from rest to a final velocity of 3
m/s. It takes him 4 seconds to do it. How much power did the man use?
How much power did the man use?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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A man pushes a boulder with a mass of 50kg from rest to a final velocity of 3
m/s. It takes him 4 s...
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