A body takes n times as much time to slide down a ` 45^@ ` rough incline as it takes to slide down a smooth ` 45^@ ` incline. The coefficient of friction between the body and the incline will be

A given object takes m times as much time to slide down a 45^(@) rough incline as it takes to slide down a perfectly smooth 45^(@) incline. The coefficient friction between the objected and the incline is given by

A given object takes n times as much time to slide down a 45^(@) rough incline as it takes to slide down a perfectly smooth 45^(@) incline. The coefficeint of kinetic friction between the object and the incline is given by:

A given object takes n times as much time to slide down a 45^(@) rough incline as it takes to slide down a perfectly smooth 45^(@) incline. The coefficeint of kinetic friction between the object and the incline is given by:

A given object takes 3 times as much time to slide downa 45° rough incline as it takes to slide down a perfectly smooth 45° incline. The coefficient of friction between the object and the incline is :

A given object takes n times as much time to slido down a 45^(@) rough inclined plane as it takes to slide down a perfectly smooth 45^(@) inclined plane. The coefficient of kinetic friction between the object and the inclined plane is given by:

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 :