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consider a drop of rain water having mas...

consider a drop of rain water having mass 1 g falling from a height of 1 km. It hits the ground with a speed of 5 `m//s`.Take g constat with a vlaue of 10 `m//s^(2)`. The work donw by the (i) gravitational froce and the (ii) resistive force of air is

A

`(i)-10J" "(ii) -8.25J`

B

`(i)1.25J" "(ii)-8.25J`

C

`(i)100J" "(ii)8.75J`

D

`(i)10J" "(ii)-8.75J`

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - C)
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