15 Questions
| Attempts: 510

Questions and Answers

- 1.Jenna knows that a friend runs 100m in 8s. She could use this to calculate her friend's
- A.
Position

- B.
Motion

- C.
Speed

- D.
Acceleration

- 2.Motion is a change in
- A.
Position over time

- B.
Speed over time

- C.
Velocity over time

- D.
Acceleration over time

- 3.Dan sits in a moving car. As he looks out the window, another car is right next to his. When he looks again, the other car is still right next to his. Which of the following is true?
- A.
The other car is moving faster than Dan's car

- B.
The other car is moving slower than Dan's car

- C.
The other car is moving with the same speed as Dan's car

- D.
The other car is parked

- 4.Bill walks 100m in 50s, moving at different speeds. Dividing 100m by 50s gives you Bill's
- A.
Acceleration

- B.
Average speed

- C.
Direction

- D.
Velocity

- 5.Susie is riding her bicycle. She begins pedaling harder. What do you predict will happen?
- A.
Her velocity will decrease

- B.
Her acceleration will decrease

- C.
Her speed will increase

- D.
Her position will not change

- 6.Speed in a specific direction is
- A.
Acceleration

- B.
Distance

- C.
Position

- D.
Velocity

- 7.Sara walked north at 100 m/s. Scott had a different velocity but the same speed. He could have walked
- A.
North at 200 m/s

- B.
South at 50 m/s

- C.
West at 100 m/s

- D.
North at 150 m/s

- 8.Jess drives at a steady velocity. Her acceleration is
- A.
Equal to zero

- B.
In the same direction as her motion

- C.
Opposite to her motion

- D.
At a right angle to her motion

- 9.Acceleration measures a change in
- A.
Location

- B.
Direction

- C.
Position

- D.
Velocity

- 10.On a velocity time graph, a line that is slanted down from left to right shows
- A.
Negative acceleration

- B.
Positive acceleration

- C.
Zero acceleration

- D.
Steady acceleration

- 11.During which time interval was the car's speed zero?
- A.
0-10 seconds

- B.
60-70 seconds

- C.
30-70 seconds

- D.
10-30 seconds

- 12.What was the car's average speed over the 6 seconds shown? Use the formula for speed. S=d/t
- A.
10 m/s

- B.
5 m/s

- C.
2 m/s

- D.
7 m/s

- 13.When was the car's speed greatest?
- A.
0-2 seconds

- B.
4-6 seconds

- C.
2-4 seconds

- D.
0-1 seconds

- 14.Which car has the greater acceleration between 20 and 40 seconds?time20s40s60s80sCar A30 m/s35 m/s40 m/s35 m/sCar B25 m/s35 m/s40 m/s50 m/s
- A.
Car A

- B.
Car B

- C.
They had the same acceleration

- D.
Option 4

- 15.Find the acceleration of Car A between 20s and 60s. time20s40s60s80sCar A30 m/s35 m/s40 m/s35 m/s
- A.
35 m/s2

- B.
.5 m/s2

- C.
4 m/s2

- D.
.25 m/s2

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