Question

A body completes one round of a circle of
radius 'R' in 20 seconds. The magnitude
displacement of the body after 45 seconds is
R
A
V2
2R
22
2R​

Answer 1

Answer:

After 20 sec the body returns at point A and again after 40 sec the body returns at point A. In 5 sec, the body completes quarter of circle. Therefore, The body will be at B after 45 sec. Hence, The displacement of the body after 45 second is .

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