What is the coefficient of kinetic friction, if the plane makes an angle of 25e with the horizontal?
A. 0.47
B. 0.42
C. 0.37
D. 0.91
Answer:A
What is the coefficient of kinetic friction, if the plane makes an angle of 25e with the horizontal?
A. 0.47 B. 0.42 C. 0.37 D. 0.91