An athelete runs 8 times around a circular field of radius 14 m in 2 minutes 56 seconds. Find his speed.

Explanation

Given: An athlete runs 8 times around a circular The radius of the circular field = 14 m Total time of running = 2 minutes 56 seconds Formula Used: Speed = Distance/Time Calculation: Circumference of field = 2 × (22/7) × 14 ⇒ 88 m ⇒ Total distance covered in 8 round = 8 × 88 ⇒ 704 m Now, 2 min 56 sec = 176 sec Speed = 704/176 ⇒ 4 m/sec ∴ H is speed is 4 m/sec.