Speed, Acceleration, and Momentum
by William Allred
| 14 Questions
Note from the author:
Speed, Acceleration, Momentum Practice Assignment
10 pts
Which best describes average speed?
A: The rate at which an object is traveling at a given time.
B: The rate at which an object travels over a period of time.
C: A change in the motion of an object.
D: A distance between two objects over time.
10 pts
Look at the distance-time graph above. What is the total distance traveled?
A: 100 cm
B: 5 cm
C: 3 cm
D: 50 cm
10 pts
Refer to the graph above again. Over what period of time does the motion occur?
A: 5 s
B: 100 s
C: 20 s
D: 3 s
10 pts
Look at the graph above. Given that speed = distance / time, calculate the speed of the object. Show your work in the space below.
10 pts
A kayaker paddles along a river for four hours. In that time, she manages to move a total of 20 miles. What is the average speed of the kayak for this trip?
A: 20 mph
B: 4 mph
C: 5 mph
D: 16 mph
10 pts
What is acceleration? Type a definition for this term in your own words.
10 pts
What is the formula for acceleration? Make sure your answer includes a key explaining what a, vf, vi, and t stand for.
10 pts
A ball begins rolling down a hill. After 5 seconds, its velocity is 10 meters per second. What is the acceleration of the ball? See page 346 in your book for help!
A: 5 m/s/s
B: 10 m/s/s
C: 15 m/s/s
D: 2 m/s/s
10 pts
A vehicle brakes from 30mph to 5 mph over a period of 10 seconds. What is the vehicles acceleration?
A: There is no acceleration, it is slowing down!
B: 2.5 m/s/s
C: -2.5 m/s/s
D: 150 m/s/s
10 pts
Over which time period does positive acceleration occur?
A: 3-5 s
B: 1-3 s
C: 5-6 s
D: 6-10 s
10 pts
Over which time period does negative acceleration occur?
A: 0-1s
B: 3-5s
C: 5-6s
D: 6-10s
10 pts
What is the formula for momentum? Be sure to include a key showing what p, m, and v stand for.
10 pts
Which has the most momentum?
A: A 1 g object at 100 m/s
B: A 100 g object at 1 m/s
C: Both have the same momentum
D: Neither has any momentum.
10 pts
Which has the most momentum?
A: 50 kg object at 5 m/s
B: 100 kg object at 10 m/s
C: 150 g object at 5 m/s
D: 200 kg object at 2 m/s
Add to my formatives list

Formative uses cookies to allow us to better understand how the site is used. By continuing to use this site, you consent to the Terms of Service and Privacy Policy.