Question

Find the maximum speed of car which can be safely driven along a curve of radius 100m if the coefficient of friction between the tyres the road is o.2

Answer 1

√0.2×100×9.8

=√98×2

=√196

=14

Hope these will help u....

Answer 2

The maximum speed of car which can be safely driven along a curve of radius 100 m is 14 m/s.

Explanation:

It is given that,

Radius of the curve, r = 100 m

The coefficient of friction between the tyres the road is 0.2

We need to find the maximum speed of car which can be safely driven along a curve. It is given by balancing the frictional force and the centripetal force such that the maximum speed is given by :

$v=\sqrt{\mu rg}$

$v=\sqrt{0.2\times 100\ m\times 9.8\ m/s^2}$

v = 14 m/s

So, the maximum speed of car is 14 m/s.

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