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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter 1.1, Problem 20E

(a)

To determine

**To sketch:** The rough graph of the horizontal distance traveled

Expert Solution

It is given that

In Figure 1, the increasing curve represents the distance traveled by the airplane in one hour.

(b)

To determine

**To sketch:** The rough graph of the altitude of the plane,

Expert Solution

It is given that

From Figure 2, it is observed that there is a variation in the altitude of the airplane during takeoff and landing time.

(c)

To determine

**To sketch:** A rough graph of the ground speed.

Expert Solution

Ground speed is the relative speed of the airplane to the ground. Generally, the ground speed of the airplane will be slow at the time of take off. Then, the speed will be increased and remains constant after a few minutes of take off. Again, at the time of landing, the ground speed of the airplane will be slow. So, at the initial and landing stage, the speed of the airplane will be slow. The rough graph of ground speed is shown below in Figure 3.

It is observed from Figure 3 that there is a variation in the ground speed of the airplane during the takeoff and landing time.

(d)

To determine

**To sketch:** A possible graph of the vertical velocity.

Expert Solution

The vertical velocity is either positive or negative, as it a vector quantity. As the airplane moves upward during takeoff, the vertical velocity is positive and as the airplane moves downward during landing, the vertical velocity is negative. Also, the airplane travels in a constant speed during the middle part of the journey with the vertical velocity as zero. The rough sketch of the vertical velocity is shown below in Figure 4.

From Figure 4, it is observed that the upper part of the graph is the same as the lower part.