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Question: The maximum frictional force between the tyres of a car and the road is 0.5 mg. The car negotiates a...

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–1

B

7 m s–1

C

4.9 m s–1

D

14.2 m s–1

Answer

7 m s–1

Explanation

Solution

f = mv2r\frac{mv^{2}}{r}