Physics, 24.06.2019 16:10 kevinglvz

Aramp is often used to raise an object. if 80 joules of energy are needed to lift an object to a platform but 100 joules are used in rolling the object up the ramp, what percent of energy was wasted in the form of heat due to friction?

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Aramp is often used to raise an object. if 80 joules of energy are needed to lift an object to a pla...

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