an object travels around a circle of radius 6m with speed 3 pi ms^-1. find the distance and the displacement
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Answer:
Explanation:
Centripetal accl. is equal to v^2/r
ac = 5^2/5 = 5m/s^2.
Tangential accl.(at) is equal to
Change in velocity/ time taken.
Change in velocity = 5-(-5) =10.
Time period =( 2*pi. R) /V = 2*pi sec.
Time taken in half revolution is pi.
at = 10/pi.
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