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A person walks along a semicircular path...

A person walks along a semicircular path from A to B as shown in the figure given below.

Calculate the distance and displacement traversed by the person.

Text Solution

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Distance travelled by the person from A to B is equal to the circumference of the semicircular path `=piR`.
The shortest distance between the final position (B) and initial position (A) is AB = 2R
`therefore" "` The displacement traversed by the person is 2R.
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