Chapter 4, Problem 83P

(a)

To determine

To find: The angle at which the woman points the boat with respect to the horizontal axis.

(b)

To determine

To find: The time required by the woman to reach the other point.

(c)

To determine

To find: The amount of time required for the boat to flow $3.2\text{ km}$ down the river and back to the starting point.

(d)

To determine

To find: The amount of time required for the boat to flow $3.2\text{ km}$ up the river and back to the

starting point.

(e)

To determine

To find: The angle with respect to the horizontal at which the boat points to cover the distance in

the shortest possible time.

(f)

To determine

To find: The magnitude of the shortest period.