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9th Grade Physics - Motion Practice Test 3



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

 1. 

A car accelerates from 0 to 25 miles per hour in 10 seconds.  What is the rate of acceleration?
a.
1.0 miles/hour/second
c.
2.5 miles/hour/second
b.
250 miles/hour/second
d.
2.0 miles/hour/second
 

 2. 

Acceleration can be describe as a
a.
change in direction
c.
change in speed
b.
change in velocity and time
 

 3. 

A rocket takes 20 seconds to slow down from 800 km/hr to 400 km/hr.  What is the rocket’s deceleration?
a.
- 40 km/hr/sec
c.
- 50 km/hr/sec
b.
- 20 km/hr/sec
d.
- 30 km/hr/sec
 

 4. 

Given: final velocity = 200 km/hr, initial velocity = 100 km/hr, and the time interval = 10 seconds.  Find acceleration.
a.
20 km/hr/sec
c.
40 km/hr/sec
b.
30 km/hr/sec
d.
10 km/hr/sec
 

 5. 

Which of the following is a measurement of acceleration?
a.
10 km/hr
c.
10 km/hr/sec
b.
10 km
d.
10 hr
 

 6. 

mc006-1.jpg
Use the graph above to find the bike’s acceleration.
a.
10 m/s/s
c.
20 m/s/s
b.
40 m/s/s
d.
30 m/s/s
 

 7. 

A train slows down from 10 m/s to 4 m/s in 2 seconds, find the deceleration.
a.
2 m/s2
c.
3 m/s2
b.
4 m/s2
d.
5 m/s2
 

 8. 

A baseball pitcher throws a fastball that moves from 0 mph to 80 mph in 2 seconds, find the acceleration.
a.
60 mph/s
c.
40 mph/s
b.
70 mph/s
d.
50 mph/s
 

 9. 

mc009-1.jpg
Use the graph above to find the deceleration of an object.
a.
6.67 m/s2
c.
10.33 m/s2
b.
12.67 m/s2
d.
8.33 m/s2
 

 10. 

A runner sprints 10 meters in 2 seconds, assuming the sprinter started from a stand still what is his acceleration at 10 meters?
a.
5 m/s2
c.
20 m/s2
b.
10 m/s2
d.
2.5 m/s2
 



 
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