17byronf814 17byronf814

17-02-2017
Chemistry

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A ramp 20 m long and 4 m high is used to lift a heavy box. A pulley system with 4 rope sections supporting the load is used to lift an identical box to a height of 4 m. If friction is ignored, the ramp requires a _____ to lift the loa

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IronMik3y100 IronMik3y100

17-02-2017

person. I hope this helps.

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