A block released from rest from the top of a smooth inclined plane of inclination 45 takes time t to reach the bottom. The same block released from rest from top of a rough inclined plane of the same inclination takes time 2t to reach the botttom. The coefficient of friction is :a)0.75(answer), b)0.5, c)0.25, d)0.4, e)0.33, How do you get this answer?

Grace Mathew , 8 Years ago

Grade 11