A car moves at a steady 2 m s⁻¹ around a circle of radius 0.4 m. What is its angular speed?
Correct answer D. 5 rad s⁻¹
Explanation
For circular motion, linear and angular speed are linked by v = rω, so ω = v/r = 2 ÷ 0.4 = 5 rad s⁻¹.
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