Physics

Problem

An electric motor’s shaft speeds up uniformly from

10\,\text{rad s}^{-1}

50\,\text{rad s}^{-1}

5\,\text{s}

. Calculate its average angular velocity during this

5\,\text{s}

interval. a)

40\,\text{rad s}^{-1}

30\,\text{rad s}^{-1}

25\,\text{rad s}^{-1}

12\,\text{rad s}^{-1}