Chapter 4, Problem 68EAP

To determine

(a)

The speed of the dot at $t=1.0\text{s}$.

To determine

Section 1

The angular velocity of the disk at $t=1\text{s}$.

To determine

(b)

The number of revolution made by the disk during the motion.

To determine

Section 1:

The number of revolution made by the disk during first $\frac{1}{2}\text{s}$.

To determine

Section 2:

The number of revolution made by the disk during the second $\frac{1}{2}\text{s}$.