Question

Find the linear speed of P when r = 30 cm, w=pi/10 per sec and t = 4 sec.

Answer 1

`\begin{gathered} v=wr \\ \text{wher} \\ w=\text{angular velocity}=(1)/(10)\pi \\ r=\text{radius of circular path}=30\text{ cm} \\ v=(\pi)/(10)*30=3\pi \end{gathered}`