Rankers Physics
Topic: Kinematics
Subtopic: Average Speed and Velocity

A cyclist moving on a circular track of radius 40 m completes half a revolution in 40 s. Its average velocity is :
zero
\[4\pi ms^{-1}\]
\[2 ms^{-1}\]
\[8\pi ms^{-1}\]

Solution:

Displacement = 2R = 80 m

Time = 4o sec

Velocity= 80 m/ 40 sec = 2 m/s

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