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Angular displacement

Free notes · JEE Main Physics

Formulas

θ=sr\theta = \frac{s}{r}

Angle from arc length

Worked example

A car speeds up while turning on a circular track. Its total acceleration:

  1. Speeding up gives tangential acceleration; turning gives radial acceleration.
  2. Total = vector sum of both.

Answer: Is the vector sum of radial and tangential parts