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Stopping Sight Distance

Brake is appl...

Question

Brake is applied on a vehicle which then skids a distance of 16 m before coming to stop. If the developed average coefficient of friction between the tires and the pavement is 0.4, then the speed of the vehicle before skidding have been nearly

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Solution

$V = \sqrt{2 g f s}$

$= \sqrt{2 \times 9.8 \times 0.4 \times 16}$

$= 11.2 m / s = 40.32 k m p h$

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