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Physics, 06.02.2021 23:10 jdale8369

a student removes a 10.5kg stereo from a shelf that is 18.2 m high. the amplifier is lowered at a constant speed to a height of 0.75 m. what is the work done by (a) the person and (b) the gravitational force that acts on the amplifier?

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a student removes a 10.5kg stereo from a shelf that is 18.2 m high. the amplifier is lowered at a co...
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