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Angular velocity

Free notes · JEE Main Physics

Formulas

ω=dθdt\omega = \frac{d\theta}{dt}

Angular velocity

Worked example

A disc's angular position is θ = 2t² rad. Find its angular velocity at t = 3 s.

  1. ω = dθ/dt = 4t.
  2. At t = 3: ω = 12 rad/s.

Answer: 12