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When the road is dry and the coefficient...

When the road is dry and the coefficient of friction is `mu`, the maximum speed of a car in a circular path is 10`ms^-1`. IF the road becomes wet and `mu=mu/2`, then what is the maximum speed permitted?

A

5 `m//s`

B

10 `m//s`

C

`5 sqrt2 `m//s``

D

`10 sqrt 2 `m//s``

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