A disc of radius 2m and mass M is rotati...

A disc of radius 2m and mass M is rotating with 200 rpm. Find torque required to stop disc in 10 secs.

`(4 pi M)/3` SI UNITS

`(2 pi M)/3` SI UNITS

`(pi M)/3` SI UNITS

`(8 pi M)/3` SI UNITS

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