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  3. jennifer lifts a 2.4 kg carton of cat litter from

Jennifer lifts a 2.4 kg carton of cat litter from the floor to a height of...

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Question

Physics

Jennifer lifts a 2.4 kg carton of cat litter from the floor to aheight of 0.81 m.

(a) How much total work is done on the carton during thisoperation?

___________J

b) Jennifer then pours 0.7 kg of the litter into the cat'slitter box on the floor. How much work is done by gravity on the0.7 kg of litter as it falls into the litter box?

____________J

Answer & Explanation Solved by verified expert
4.0 Ratings (443 Votes)
A This can be solved two ways First you can look at the change in energy of the box only potential in this case and then determine how much work is done Potential energy is mass    See Answer
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