A car is moving on a circular track. If its speed is 20 m/s and radius is 40 m, what is its acceleration?
Q1. A car is moving on a circular track. If its speed is 20 m/s and radius is 40 m, what is its acceleration?
Answer: 10 m/s²
Explanation: a = v² / r = 20² / 40 = 10 m/s², using the formula for centripetal acceleration.