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Potential Energy Formulae

A man pulls a...

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A man pulls a bucket full ofwater from h metre deep well. if the mass of rope is m and mass of bucket full of water is M,then work done by the man is

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Q. A person pulls a bucket of water from a well of depth

h

. If the mass of uniform rope is

m

and that of the bucket full of water is

M

, then work done by the person is:

Q. A man is drawing water from a well of depth 10 m using a bucket with hole in it, such that only half of the water remains when bucket arrives at top of the well.
When bucket is full of water, its mass is 40 kg and pulling rate of bucket is constant. The work done by man in kilo joules to pull bucket up is ( g = 10 m/

s^{2}

) [ Neglect weight of the bucket.]

Q. The mass of a bucket full of water is

15 k g

. It is being pulled up from a

15 m

deep well. Due to a hole in the bucket

6 k g

water flows out of the bucket. The work done in drawing the bucket out of the well will be (

g = 10 m / s^{2}

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