Question

an athlete completes one round of circular track of diameter 154 m in 5 minutes. calculate his speed in ms-¹​

Answer 1

Answer:

1.61 m/s

Step-by-step explanation:

Diameter of circular track = 154m

Radius of circular track = 77m

Distance = 2 ×pi×r

2×22/7×77

=484m

Time taken = 5 minutes = 300 seconds

Speed = distance /time

Speed = 484/300

= 1.61 m/s

The speed of the athlete is 1.61 m/s