7. Friction, Inclines, Systems
Stacked Blocks
7. Friction, Inclines, Systems Stacked Blocks
4PRACTICE PROBLEM
A truck carrying drum-shaped cable reels of electrical wires loses control and bangs on the roadside wall. One of the cable reels rolls down from the truck and stops 30 m from the truck. Find the speed of the cable reel if its mass is 550 kg and the coefficient of kinetic friction is 0.45.
A truck carrying drum-shaped cable reels of electrical wires loses control and bangs on the roadside wall. One of the cable reels rolls down from the truck and stops 30 m from the truck. Find the speed of the cable reel if its mass is 550 kg and the coefficient of kinetic friction is 0.45.