What is the difference between distance and displacement?
Distance is from point A to point B.
Displacement is the shortest distance along 2 points and direction matters.
Displacement is distance and direction matters.
There is no difference.
2. Multiple Choice
30 seconds
1 pt
How do we measure velocity?
stopwatch
distance/time
time/distance
displacement/time
3. Multiple Choice
30 seconds
1 pt
A car moved 80 km to the South. What is its displacement?
20 km South
50 km East
80 km South
160 km North
4. Multiple Choice
30 seconds
1 pt
A car moved 60 km East and 90 km West. What is the distance?
30 km
60 km
90 km
150 km
5. Multiple Choice
30 seconds
1 pt
A car moved 60 km East and 90 km West. What is the displacement?
30 km West
60 km West
30 km East
150 km
6. Multiple Choice
30 seconds
1 pt
What are the units speed is measured in?
m/s2
m
hr
m/s
7. Multiple Choice
30 seconds
1 pt
Average velocity can be calculated by dividing displacement over what?
time
distance
mass
density
8. Multiple Choice
30 seconds
1 pt
What is the average velocity of a car that moved 60km in 3 hours?
10 km/h
20 km/h
30 km/h
60 km/h
9. Multiple Choice
1 minute
1 pt
What is the average velocity of a car that moved 40 km East and 80 km West in 2 hours?
5 km/h
10 km/h
15 km/h
20 km/h
10. Multiple Choice
30 seconds
1 pt
If car A is at 40 km/h and car B is at 10 km/h in the opposite direction, what is the velocity of the car A relative to the car B?
10 km/h
20 km/h
40 km/h
50 km/h
11. Multiple Choice
30 seconds
1 pt
If you are walking at constant velocity of 8 km/h and a car passed you by at the speed of 30 km/h from behind, what is the car's velocity from your viewpoint?
22 km/h
30 km/h
38 km/h
40 km/h
12. Multiple Choice
30 seconds
1 pt
If car A is at 70 km/h and car B is at 50 km/h in the same direction, what is the velocity of the car A relative to the car B?
10 km/h
20 km/h
30 km/h
40 km/h
13. Multiple Choice
1 minute
1 pt
If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?
12 km
19 km
31 km
43 km
14. Multiple Choice
30 seconds
1 pt
Acceleration is the measure of the change in what?
density
motion
velocity
mass
15. Multiple Choice
30 seconds
1 pt
Average acceleration is calculated by
velocity change devided by the mass
mass change devided by elapsed time
velocity change devided by elapsed time
velocity change devided by gravity
16. Multiple Choice
30 seconds
1 pt
If a car accelerates from 3 m/s to 12 m/s in 3 seconds, what is the car's average acceleration?
1 m/s2
2 m/s2
3 m/s2
4 m/s2
17. Multiple Choice
30 seconds
1 pt
How long does it take to accelerate an object from rest to 15 m/s if the acceleration was 3 m/s2?
2 s
4 s
5 s
15 s
18. Multiple Choice
1 minute
1 pt
You started to run at 10 km/h when you left your house and you arrived at school 30 minutes later. Assuming that your average acceleration was 30 km/h2, how fast were you running when you arrived?
15 km/h
20 km/h
25 km/h
30 km/h
19. Multiple Choice
30 seconds
1 pt
Acceleration due to gravity is represented by what symbol?
v
g
t
s
20. Multiple Choice
30 seconds
1 pt
What is g?
9.8 m/s2
10.7 m/s2
12.6 m/s2
98 m/s2
21. Multiple Choice
3 minutes
1 pt
How long will it take for an apple falling from a 29.4m-tall tree to hit the ground?
1.56 s
2.04 s
2.45 s
3.72 s
22. Multiple Choice
30 seconds
1 pt
How long does it take for a car to change its velocity from 10 m/s to 25 m/s if the acceleration is 5 m/s2?
2 s
3 s
4 s
5 s
23. Multiple Choice
30 seconds
1 pt
If a car has a constant acceleration of 4 m/s2, starting from rest, how fast is it traveling after 5 seconds?
20 m/s
24 m/s
30 m/s
40 m/s
24. Multiple Choice
30 seconds
1 pt
If a car has a constant acceleration of 4 m/s2, starting from rest, how far has it traveled after 5 seconds?
50 m
60 m
70 m
80 m
25. Multiple Choice
30 seconds
1 pt
If a car has a constant acceleration of 4 m/s2, starting from rest, how far has it traveled by the time it reaches the speed of 40 m/s?
50 m
100 m
200 m
400 m
26. Multiple Choice
30 seconds
1 pt
A car is at velocity of 20 km/h. If the car traveled 120 km in 3 hours at constant acceleration, what is its final velocity?
50 km/h
60 km/h
70 km/h
80 km/h
27. Multiple Choice
30 seconds
1 pt
How long will it take for a falling object to reach 108 m/s if its initial velocity is 10 m/s?
6 s
8 s
10 s
12 s
28. Multiple Choice
30 seconds
1 pt
What is the final velocity of an apple if it falls from a 100m-tree?
43.4 m/s
44.3 m/s
45.7 m/s
46.4 m/s
29. Multiple Choice
30 seconds
1 pt
What is the displacement of a car whose initial velocity is 5 m/s and then accelerated 2 m/s2 for 10 seconds?
150 m
175 m
200 m
250 m
30. Multiple Choice
3 minutes
1 pt
What is the final velocity of a car that accelerated 10 m/s2 from rest and traveled 180 m?
30 m/s
40 m/s
50 m/s
60 m/s
31. Multiple Choice
3 minutes
1 pt
If a car accelerated from 5 m/s to 25 m/s in 10 seconds, how far will it travel?