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A small sphere of mass 'm' is dropped fr...

A small sphere of mass 'm' is dropped from a great height. After it has fallen 100m, it has attained its terminal velocity and continue to fall at that speed. The workdone by air friction against the sphere during 100m fall is `W_(1)` and during next 100m fall is `W_(2)` , then compare `W_(1) and W_(2)`.

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