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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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A90db sound wave strikes an eardrum whose area is 5.0×10^-5m^2. how much energy is absorbed by the eardrum per second
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Physics, 23.06.2019 12:30
Write a brief essay describing the minimum requirements for any electric circuit. within your essay,
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Compare nonpoint source pollution to point source pollution. i will give 35 points plz...
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