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JEE Mains 29-Jan-2023 Shift 2 Solved Paper

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Question : 5

Total: 90

The time taken by an object to slide down 45∘ rough inclined plane is n times as it takes to slide down a perfectly smooth 45∘ incline plane. The coefficient of kinetic friction between the object and the incline plane is

[29-Jan-2023 Shift 2]

√‌
1
1−n2
√1−‌
1
n2
1+‌
1
n2
1−‌
1
n2

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