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A wheel of radius 1 m rolls forwards hal...

A wheel of radius 1 m rolls forwards half a revolution on a horizontal group. The magnitude of the displacement of the point of the wheel initially in contact with the group is

A

2 m

B

`sqrt(pi^(2)+4)m`

C

`pim`

D

`sqrt(pi^(2)+2m))`

Text Solution

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The correct Answer is:
b
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