An electric fan blades are spinning at

PHYSICS · Subjective · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

An electric fan blades are spinning at 40 rad s−140\,\text{rad}\,\text{s}^{-1}. After switching to a higher speed setting, they experience a uniform angular acceleration of 3 rad s−23\,\text{rad}\,\text{s}^{-2}. Determine the time taken for the angular speed to reach 88 rad s−188\,\text{rad}\,\text{s}^{-1}.

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