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Practice question

MCQ

Question

A particle rotates about a fixed axis at a radius of 0.6m with a linear speed of 7.2m/s. What is its angular velocity?

Options

Choose one · Correct answer highlighted

Explanation

v = ωr. v = 7.2m/s, r = 0.6m. ω = vr = 7.20.6 = 12rad/s. As per NCERT, applying relevant law/formula with correct units and sign convention leads to 12 rad/s. This satisfies dimensional consistency and physical conditions given, so option C is scientifically correct.

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