A given object taken n time more time to slide down `45^(@)` rough inclined plane as it taken to slide down a perfectly smooth `45^(@)` incline The coefficient of kintic friction between the object and the incline is .A. `1- 1/(n^(2))`B. `sqrt((1)/(1-n^(2)))`C. `sqrt(1 - 1/(n^(2)))`D. `(1)/(2-n^(2))`

A given object taken n time more time to slide down `45^(@)` rough inc

1.	A given object taken n time more time to slide down `45^(@)` rough inclined plane as it taken to slide down a perfectly smooth `45^(@)` incline The coefficient of kintic friction between the object and the incline is .A. `1- 1/(n^(2))`B. `sqrt((1)/(1-n^(2)))`C. `sqrt(1 - 1/(n^(2)))`D. `(1)/(2-n^(2))`
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