A smooth block is released at rest on a 4 5 ∘ incline and then slides a distance d. The time taken to slide is n times as much to slide on rough incline than on a smooth incline. The coefficient of fr

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A smooth block is released at rest on a 4 5 ∘ incline and then slides a distance d. The time taken to slide is n times as much to slide on rough incline than on a smooth incline. The coefficient of friction is

TestHub · Accepted Answer

d = 2 1 ​ 2 ​ g ​ t 1 2 ​ d = 2 1 ​ 2 ​ g ​ ( 1 − μ k ​ ) t 2 2 ​ t 1 2 ​ t 2 2 ​ ​ = n 2 = 1 − μ k ​ 1 ​

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