Read the question carefully
Classical Mechanics
Level
2
An athlete runs around a circular track of radius 3 meters. If he reaches the diametrically opposite end in 4 seconds, find his average velocity .(in m/s).
3/2
3/4
33/14
1
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1 solution
We know that - Velocity= T i m e D i s p l a c e m e n t As the athlete reaches the diametrically opposite end , his displacement is equal to twice his radius. - Displacement = 2 × r a d i u s = 2 * 3 meters = 6 meters - Time = 4 seconds - Velocity = 4 6 m/s = 3/2 m/s