A flywheel starts from rest and rotates with a constant angular acceleration of

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A flywheel starts from rest and rotates with a constant angular acceleration of 2 rad s−22\,\text{rad}\,\text{s}^{-2}. Determine the magnitude of the resultant acceleration of a point 0.30 m0.30\,\text{m} from the axis after 4 s4\,\text{s}. (a) 19.8 m s−219.8\,\text{m}\,\text{s}^{-2} (b) 0.60 m s−20.60\,\text{m}\,\text{s}^{-2} (c) 19.2 m s−219.2\,\text{m}\,\text{s}^{-2} (d) 18.6 m s−218.6\,\text{m}\,\text{s}^{-2}

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