- Submitted By: Adriana-Arellano
- Date Submitted: 09/14/2016 5:38 PM
- Category: Science
- Words: 1156
- Page: 5

PHY-111 Topic 1 Multiple-Choice Practice Test

Instructions:

For each question, select the best answer. When you are done, open the Topic 1 Multiple-Choice

Practice Test on LoudCloud to enter your answers and receive a grade for this assignment.

Topic 1, Question 1:

A car travels 30 miles in 1 hour on a winding mountain road. Which of the following is a true

statement?

A. The magnitude of the total displacement is larger than the distance traveled.

B. The magnitude of the average velocity is greater than 30 m.p.h.

C. The magnitude of the average velocity is equal to 30 m.p.h.

D. The magnitude of the average velocity is less than to 30 m.p.h.

E. The car traveled with a constant speed of 30 m.p.h.

Topic 1, Question 2:

When velocity is negative and acceleration is positive, what happens to the object’s motion?

A. The object speeds up.

B. The object remains at rest.

C. The object slows down.

D. The object first speeds up, then slows down.

E. Nothing happens to the object.

Topic 1, Question 3:

When velocity and the acceleration of an object are both negative, what happens to the

object’s motion?

A. The object speeds up.

B. The object remains at rest.

C. The object slows down.

D. The object first speeds up, then slows down.

E. Nothing happens to the object.

Topic 1, Question 4:

A sports car accelerates at a constant rate from rest to a speed of 27.8 m/s in 8.00 s. What is

the displacement of the sports car in this time interval?

A. 77.0 m

B. 222 m

C. 55.0 m

D. 111 m

E. 13.9 m

Topic 1, Question 5:

A race car accelerates from 0 m/s to 30.0 m/s with a displacement of 90.0 m. What is the

vehicle's acceleration?

A. 15.0 m/s2

B. 10.0 m/s2

C. 5.00 m/s2

D. 3.00 m/s2

E. 2.00 m/s2

Topic 1, Question 6:

On which of these hills does the ball roll down with increasing speed and decreasing

acceleration along the path?

A.

B.

C.

D.

E.

The hill on the left.

The hill in the middle.

The hill on the right

All three hills will...