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Physics, 22.06.2019 03:30
Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n
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Physics, 23.06.2019 01:30
The first law of thermodynamics is as follows: โu=q-w , which means in a system is equal to added, minus done by the system. the units for these variables are in .
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