NCERT Exercise 3.9 - Motion in a Plane
Question: A cyclist starts from centre O of a circular park of radius 1 km, reaches the edge, cycles along the circumference returning to the edge, and rides back to O along the radius. The round trip takes 10 min. Find displacement, average velocity, and average speed.
Answer: Displacement = **0**; average velocity = **0**; average speed = **π/5 km/min ? 1.05 km/min**.
Full step-by-step NCERT solution with diagrams on Something by Zero.