Jennifer lifts a 2.5-kg carton of cat litter from the floor to a height of 0.75 m.

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Jennifer lifts a 2.5-kg carton of cat litter from the floor to a height of 0.75 m.
(a) How much total work is done on the carton during this operation? Jennifer then pours 1.2 kg of the litter into the cat's litter box on the floor.
(b) How much work is done by gravity on the 1.2 kg of litter as it falls into the litter box?
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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