Hi mam, I have a doubt..

A body covers one complete revolution around a circular park of circumference 176m in 4 minutes. find the displacement of body after 6 minutes?

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Solution

Body covers the distance of one revolution in 4 minutes ( means it covers half circumference in 2 minutes) and in 6 minutes it would have covered half the circumference of the circle more. Now since displacement is a vector with shortest Path hence the shortest path joining the initial and the final point will be the diameter of the circle

2πr= 176
2r=176/π
2r= 56

Since diameter was the diaplacement and d=2r

Hence displacement is 56m.

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Hi mam, I have a doubt.. A body covers one complete revolution around a circular park of circumference 176m in 4 minutes. find the displacement of body after 6 minutes?

Hi mam, I have a doubt..

A body covers one complete revolution around a circular park of circumference 176m in 4 minutes. find the displacement of body after 6 minutes?