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April 20, 2014

Homework Help: Physics

Posted by Tim on Sunday, December 9, 2012 at 8:28pm.

An object of mass .550kg is lifted from the floor to a height of 3.5m at a constant speed. How much work is done by the lifting force (include units)?

b.) How much work is done by the Earth on the object?

c.) What is the net work done on the object?

d.) What is the change in kinetic energy of the object?

e.) Are your results consistent with the work-energy principle? Explain.

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