Starting from rest a body slides down at 45° inclined plane in twice the time, it takes to slide down the same distance in the absence of friction. The coefficient of friction between the body and the inclined plane is __________.
A. 0.33
B. 0.25
C. 0.75
D. 0.80
Answer:C
Starting from rest a body slides down at 45° inclined plane in twice the time, it takes to slide down the same distance in the absence of friction. The coefficient of friction between the body and the inclined plane is __________.
A. 0.33 B. 0.25 C. 0.75 D. 0.80