The M.I. of a body is 1.2" kg m"^(2). In...

The M.I. of a body is `1.2" kg m"^(2)`. Initially the body is at rest. In order to produce a rotational kinetic energy of 1500 J an angular acceleration of `"25 rad s"^(-2)` must be applied about the axis for a duration os

10s

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