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Angular velocity omega in terms of time period T:

Aomega = 1/T

Bomega = 2π/T

Comega = T

Domega = T/2π

Answer & Solution

Correct answer: B. omega = 2π/T

omega = 2π/T = 2πf. SI unit: rad/s. T is time for one full rotation; one rotation is 2π rad.

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