A wheel is 0.25m in radius . When it mak...

A wheel is 0.25m in radius . When it makes 15 revolutions per minute, its linear speed at a point on circumference is

A

`pi/2m//s`

B

`pi/8m//s`

C

`pi/4m//s`

D

`pim//s`

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The correct Answer is:

B

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