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A point P consider at contact point of a...

A point P consider at contact point of a wheel on ground which rolls on ground without sliping then value of displacement of point P when wheel completes half of rotation (If radius of wheel is 1m) : -

A

2m

B

`sqrt(pi^2+4)` m

C

`pi` m

D

`sqrt(pi^2+2)` m

Text Solution

Verified by Experts

The correct Answer is:
B

displacement PQ=`sqrt((PM)^2+(QM)^2)`
`=sqrt((piR)^2+(2R)^2) =sqrt(pi^2+4) (because R=1 m)`
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