Question

What should be the coefficient of friction between the tyres and the road, when a car travelling at 60 Km/h makes a level turn of radius 40 m?

Answer 1

Answer:

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Answer 2

Answer ⇩

To find μ = ?

Explanation  ⇩

mgμ = mv^2/r

     μ = v^2/rg

         = 60 x 60 x 5 x 5 / (/ = Whole divided by) 18 x 18 x 40 x 10

Therefore, μ = 0.694

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