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The vertical section of a road over a br...

The vertical section of a road over a bridge is in the form of circle of radius 15.5 m. What will be the maximum velocity with which a car, whose centre of gravity is 0.5 m above the ground can cross the bridge without losing contact with the surface of bridge at the highest point ?

A

10.56 `m//s`

B

12.56 `m//s`

C

14.56 `m//s`

D

1.256 `m//s`

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