A 6.0 kg box slides down an inclined plane that makes an angle of 39 with the horizontal. If the coefficient of kinetic friction is 0.40, at what rate does the box accelerate down the slope?
A) 3.1 m/s2
B) 3.4 m/s2
C) 3.7 m/s2
D) 4.1 m/s2
Question 2
In Figure 5.14, the mass of block C is closest to:
A) 5 kg
B) 7 kg
C) 9 kg
D) 11 kg
E) 13 kg