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A cyclist moves in a circular track of...

A cyclist moves in a circular track of radius 100 m. If the coefficient of friction is 0.2 , then the maximum velocity with which the cyclist can take the turn with leaning inward is

A

`140 m//s`

B

`14m//s`

C

`1.4 m//s`

D

`4.9 m//s`

Text Solution

Verified by Experts

The correct Answer is:
B
`mu =(v^(2))/(rg) `
`therefore v^(2) = mu g =0.2 xx100 xx9.8 =20xx9.8 = 196`
` therefore v= 14 m//s`
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