A smooth block is released at rest on a `45^(@)` 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

A smooth block is released at rest on a 45^(@) inclined and then slides a distance d. the time taken to slide is n times as much to slide on rough incline then on a smooth incline of same inclination. The coefficient of friction fo rough incline.

Smooth block is released at rest on a 45^@ incline and then slides a distance d. If the time taken of slide on rough incline is n times as large as that to slide than on a smooth incline. Show that coefficient of friction. mu = (1 - (1)/(n^2))

A block takes n times as much time to slide down a rough incline of 45^(@) as it takes to slide down a perfectly smooth 45^(@) incline. Coefficient of kinetic friction is :

A block takes a twice as much time to slide down a 45^(@) rough inclined plane as it takes to slide down a similar smooth , plane . The coefficient of friction is :