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The maximum frictional force between the...

The maximum frictional force between the tyres of a car and the road is 0.5 mg. the car negotiates a curve of radius 10 metre. The velocity is

A

10`m///s`

B

7`m//s`

C

4.9`m//s`

D

14.2`m//s`

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The correct Answer is:
B
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