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Displacement of a person moving from A t...

Displacement of a person moving from A to B along a semicircular path of radius R is 100 m. What is the distance travelled by him ?

Text Solution

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Displacement = 2R
`rArr" 100 = 2R"`
`rArr" R = 50 "`
The distance travelled by the person is `piR`.
So, the distance travelled by the person is `3.14xx50=157m`
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