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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. 

mc006-1.jpg
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. 

mc009-1.jpg
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
 



 
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