Question 32

A body moves in a circular path at a constant speed of $$\pi\text{ m/s}$$. The magnitude of average velocity of this body for half a revolution is

Solution

In half a revolution the distance covered is $$\pi r$$ and the displacement is the diameter $$2r$$. The time taken is $$\frac{\pi r}{\pi} = r$$ seconds. So the average velocity is $$\frac{2r}{r} = 2\text{ ms}^{-1}$$.

Was this solution helpful?

Get AI Help

50,000+ JEE Students Trusted Our Score Calculator

Predict your JEE Main percentile, rank & performance in seconds

Ask AI