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5. An object travelling in a circle with a speed of 5m/s, takes 10 seconds to make on complete revolution, what is the radius
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Answer #1

Time period to complete 1 revolution is given by:

T = 2*pi*R/V

V = Speed of object = 5 m/sec

T = time period = 10 sec

R = radius of path = ?

So, from above equation:

R = V*T/(2*pi)

R = 5*10/(2*pi)

R = 7.9577 m

R = radius of circle = 7.96 m

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