Name:    9th Grade Physics - Motion Practice Test 4

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

A motorcycle accelerates from 0 to 30 miles per hour in 10 seconds.  What is the rate of acceleration?
 a. 2.5 miles/hour/second c. 1.0 miles/hour/second b. 2.0 miles/hour/second d. 3.0 miles/hour/second

2.

A change in direction, time, and speed can be expressed as
 a. acceleration c. velocity b. density d. force

3.

An arrow takes 10 seconds to slow down from 400 km/hr to 200 km/hr.  What is the arrow’s deceleration?
 a. - 40 km/hr/sec c. - 20 km/hr/sec b. - 50 km/hr/sec d. - 30 km/hr/sec

4.

Given: final velocity = 400 km/hr, initial velocity = 200 km/hr, and the time interval = 5 seconds.  Find acceleration.
 a. 20 km/hr/sec c. 10 km/hr/sec b. 40 km/hr/sec d. 30 km/hr/sec

5.

- 20 m/sec/sec is described as
 a. deceleration c. acceleration b. distance d. velocity

6.

Use the graph above to find the ball’s acceleration.
 a. 5 m/s/s c. 10 m/s/s b. 4 m/s/s d. 6 m/s/s

7.

A car slows down from 12 m/s to 4 m/s in 2 seconds, find the deceleration.
 a. 5 m/s2 c. 3 m/s2 b. 4 m/s2 d. 2 m/s2

8.

A softball pitcher throws a fastball that moves from 0 mph to 60 mph in 2 seconds, find the acceleration.
 a. 40 mph/s c. 30 mph/s b. 20 mph/s d. 50 mph/s

9.

Use the graph above to find the deceleration of an object.
 a. 5.33 m/s2 c. 6.33 m/s2 b. 4.33 m/s2 d. 3.33 m/s2

10.

Sprinter #1 runs from stand still to 10 m/s in 2 seconds, and Sprinter # 2 runs from stand still to 8 m/s in 4 seconds.  What is the difference in acceleration?
 a. 5 m/s2 c. 4 m/s2 b. 3 m/s2 d. 2 m/s2