physics
posted by pratik yadav bansal public school .
a body covers a circular path of radius 'R' in 20 seconds.calculate the distance and displacement of the body at the end of 70 seconds.

It will have made 70/20 = 3.5 trips around the circular track.
The displacement from the original location will be 2R.
The distance traveled will be
3.5 * 2 pi R = 7 pi R. 
An object covers a circular path of radius R in 30 seconds calculate the distance and displacement at the end of 45 seconds
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