Answers

2016-03-11T14:43:29+05:30
The work done here is equal to the change in potential energy
W= final energy - initial energy
W=mgh2- mgh1
here h2=15m
h1=0
so W=mgh2
=mx10x15
(pls insert the mass of the bag in the last step as i m not able to get any info. bout it from the question)
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2016-03-11T15:21:58+05:30
The work done here is equal to the change in potential energy W= final energy - initial energy W=mgh2- mgh1 here h2=15m h1=0 so W=mgh2 =mx10x15 (pls insert the mass of the bag in the last step as i m not able to get any info. bout it from the question)
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