Question

OW
If a cyclist takes one minute to complete half
revolution on a circular path 120 m radius. What
is the average velocity?
1) 1 m/s 2) 2 m/s 3) 3 m/s
3) 3 m/s 934 m/s
les
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Answer 1

Answer:

Average Velocity = 4 m/s

Explanation:

The right answer is not in the options and here is why.

Here,

radius,r = 120m

For half revolution,

displacement,s= 2r (See the picture)

time, t= 1 min= 60s

V(avg) = s/t = 2r/t = (2×120)/60 = 4 m/s

Hope you've got your answer.

Peace