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The radius of a well is 7m. Water in it ...

The radius of a well is 7m. Water in it is at a depth of 20m and depth of water column is 10m. Work done in pumping out water completely from the well is `(g=10ms^(-2))`

A

`38.5 MJ`

B

`38.5 KJ`

C

`46.2 MJ`

D

`385 MJ`

Text Solution

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The correct Answer is:
D
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