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An athelete completes one round of a cir...

An athelete completes one round of a circular track of radius `R` in 40 seconds. What will be the displacement at the end of ` 2 min. 20 second ?

A

Zero

B

2R

C

`2piR`

D

`7piR`

Text Solution

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The correct Answer is:
B
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ERRORLESS -MOTION IN ONE DIMENSION-Motion In One Dimension
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