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A disc of moment of inrtia 20 kg . m^(2)...

A disc of moment of inrtia 20 kg . `m^(2)` is rotated about its transverse symmetry axis at 120 rpm by an electric motor of power 62.84 watts. When the motor is switched off, how many rotations does it complete before coming to rest ?

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The correct Answer is:
50.27 rotations
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-SOLVED PROBLEMS - I -ASSIGNMENTS
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