Question

a athlete moves long a circular track of radius 0.2 kilometre and complete one revolution in 2 minute determine the speed of the athlete​

Answer 1

Answer:

Explanation:

Speed = Distance/Time

Distance here = 2×22/7×0.2 = 1.25Km

Time=2×60=120 min

Using formulae,

Speed=1.25/120=0.0104 km/sec OR 10.41m/s