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A drop of mass 1.00 g falling from a hei...

A drop of mass `1.00 g` falling from a height `1.00 km`. It hits the ground with a speed of `50.0 ms^(-1)`. What is the work by the unknown resistive force ?

A

`-8.75 J`

B

`8.75 J`

C

`-4.75 J`

D

`4.75 J`

Text Solution

Verified by Experts

The correct Answer is:
A

Work done `= P.E_(I) - K.E_(f)`.
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