Disk A, of weight 5 lb and radius r 3 in , is at rest when it is placed in contact with a belt that moves at a constant speed v 50 ft s Knowing that k 0 20 between the disk and the belt, determine the time required for the disk to reach a constant angular velocity A V Fig P17 57 and P17 58...

Moment of inertia Final state of constant a ...

Disk A, of weight 5 lb and radius r = 3 in., is at rest when it

Question:

Disk A, of weight 5 lb and radius r = 3 in., is at rest when it is placed in contact with a belt that moves at a constant speed v = 50 ft/s. Knowing that μ_k = 0.20 between the disk and the belt, determine the time required for the disk to reach a constant angular velocity.