Question

Usain bolt complete 200 metre race in a circular track in 20 seconds find his speed and velocity

Answer 1

Answer:

speed=10m/s

velocity=0

Explanation

distance=200m

t=20s

speed=?

=200/20

=10

velocity=0

Answer 2

Explanation:

s=10ms

v=0

because speed is =distance/time=200/20=10ms

velocity is displacement/time =0/10=0