In an experiment, a small 20 W motor is used to lift a 100 g mass through a vertical distance. a) if the motor runs for 40s, how much potential energy does the mass gain b) what is the height of the mass after 40s
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In an experiment, a small 20 W motor is used to lift a 100 g mass through a vertical distance.
a) if the motor runs for 40s, how much potential energy does the mass gain
b) what is the height of the mass after 40s
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