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The work done when lifting an object varies jointly with the objects mass and the height that the object is lifted. The work done when

The work done when lifting an object varies jointly with the objects mass and the height that the object is lifted. The work done when a 120-kilogram object is lifted 1.8 meters is 2116.8 joules. How much work is done when lifting a 100-kilogram object 1.5 meters.

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