13 Questions

SPH3U1 REVIEW

Questions and Answers

- 1.Which of the following is a "scalar" quantity?
- A.
Distance

- B.
Velocity

- C.
Acceleration

- D.
Displacement

- E.
None of the above

- 2.The area under an acceleration-time graph always represents
- A.
Displacement

- B.
Distance

- C.
Velocity

- D.
Change in velocity

- E.
Jerk

- 3.The position-time graph that depicts a ball thrown vertically upward that returns to the same position is
- A.
A

- B.
B

- C.
C

- D.
D

- E.
E

- 4.The position-time graph pictured below represents the motions of two objects, A and B. Which of the following statements concerning the objects' motions is true?
- A.
Object B travels the greater distance.

- B.
Object A has the greater speed.

- C.
Object A leaves the reference point at an earlier time.

- D.
Both objects have the same speed at the point where the lines cross.

- E.
Object A is travelling for a longer period of time.

- 5.Kate and Michelle run with the same constant speed but in opposite directions. The girls have
- A.
Constant accelerations

- B.
Different speeds

- C.
Different velocities

- D.
Constant positions

- E.
The same displacement

- 6.A ball is thrown vertically upward into the air. Which of the following acceleration-time graphs represents the ball's motion?
- A.
A

- B.
B

- C.
C

- D.
D

- E.
E

- 7.A car drives 6.0 km [E], then 8.0 km [W] in a total time of 0.30 h. What is the car's average velocity?
- A.
6.67 km/h [W]

- B.
6.67 km/h [E]

- C.
24 m/s [W]

- D.
47 km/h [E]

- E.
47 km/h [W]

- 8.Using a variety of stopwatches, four students reported the time for a ball to drop to the ground from the same height. The recorded times were 1.85 s, 1.8 s, 1.9 s, and 2 s. The average time, expressed in the correct manner, is
- A.
1.888 s

- B.
1.89 s

- C.
1.8 s

- D.
1.9 s

- E.
2 s

- 9.Jose Bautista hits a home run and runs around the bases. Which pairs of quantities concerning his motion would both have values of zero?
- A.
Displacement, average velocity

- B.
Average speed, average acceleration

- C.
Distance, average speed

- D.
Average speed, average velocity

- E.
Displacement, average speed

- 10.An object is travelling north and slowing down. The directions associated with the objectâ€™s velocity and acceleration, respectively, are
- A.
[S], [N]

- B.
[N], [N]

- C.
[S], [S]

- D.
[N], [S]

- E.
None of the above

- 11.Which of the following descriptions best represents the acceleration-time graph of a car that pulls away from a corner when the light turns green, reaches and maintains a constant velocity, then slows down until it stops? Assume that all accelerations are uniform.
- A.
All three sections of the graph are comprised of diagonal lines.

- B.
All three sections of the graph are comprised of curved lines.

- C.
Two sections of the graph are diagonal lines and one is horizontal.

- D.
All three sections of the graph are comprised of horizontal lines.

- E.
Two sections of the graph are horizontal lines and one is diagonal.

- 12.Which of the following statements concerning motion graphs is NOT correct?
- A.
The slope of a position-time graph gives velocity.

- B.
The area under a velocity-time graph gives displacement.

- C.
The slope of a velocity-time graph gives acceleration.

- D.
The slope of the tangent in a position-time graph gives instantaneous velocity.

- E.
The area under an acceleration-time graph gives displacement.

- 13.Which of the following graphs shows acceleration?
- A.
A and B

- B.
C only

- C.
D and E

- D.
B and D

- E.
A and E