15 Questions
| Total Attempts: 167

Questions and Answers

- 1.A runner's position is 40 m at time t = 0 s. If he runs at a constant pace of 1.5 m/s, what will his position be at t = 45s? (Hint: Draw a graph to help!)
- A.
67.5 meters

- B.
107.5 meters

- C.
40 meters

- D.
106.5 meters

- 2.A runner's position is 20 m at time t = 0 s. If he runs at a constant pace of 0.5 m/s, what will his position be at t = 45s? (Hint: Draw a graph to help!)
- A.
20 meters

- B.
40.5 meters

- C.
42.5 meters

- D.
22.5 meters

- 3.Use the data below to answer the following question: Is the velocity of the object constant? If so, what is the object's velocity?
__Time (s) Position (m)__0.0 30 1.0 40 2.0 50 3.0 60 4.0 70 5.0 80- A.
Yes; +50 m/sec

- B.
Yes; +30 m/sec

- C.
Yes; + 10 m/sec

- D.
Yes; +16 m/sec

- E.
No

- 4.Use the data below to answer the following question: What is the starting position of the object?
__Time (s) Position (m)__0.0 30 1.0 40 2.0 50 3.0 60 4.0 70 5.0 80- A.
0 meters

- B.
+30 meters

- C.
+15 meters

- D.
-30 meters

- E.
+80 meters

- 5.Use the data below to answer the following question: Write an equation for the objects position over time.
__Time (s) Position (m)__0.0 30 1.0 40 2.0 50 3.0 60 4.0 70 5.0 80- A.
X = (-10 m/sec) (t) + 30 m

- B.
X = (+10 m/sec) (t) - 30 m

- C.
X = (-10 m/sec) (t) - 30 m

- D.
X = (+10 m/sec) (t) + 30 m

- E.
X = (10 m/sec) (t) + 30 m

- 6.Use the data below to answer the following question: Use your equation to solve for the objects position at time 15.0 s
__Time (s) Position (m)__0.0 30 1.0 40 2.0 50 3.0 60 4.0 70 5.0 80- A.
+150 m

- B.
+180 m

- C.
-150 m

- D.
- 180 m

- E.
0 m

- 7.Use the graph below to answer questions 7-11 #7: What interval had the greatest velocity?
- A.
2-5 sec

- B.
5-7 sec

- C.
7-12 sec

- D.
12-14

- 8.Use the graph below to answer questions 7-11 #8: What interval had the most negative velocity?
- A.
2-5 sec

- B.
5-7 sec

- C.
7-12 sec

- D.
12-14

- 9.Use the graph below to answer questions 7-11 #9: Describe the motion of the vehicle at 10 seconds?
- A.
The vehicle is at a constant positive velocity and moving.

- B.
The vehicle is at a constant negative velocity and moving.

- C.
The vehicle is at a constant velocity and not moving.

- D.
The vehicle is continually increasing in velocity.

- 10.Use the graph below to answer questions 7-11 #10: Describe the motion of the vehicle at 10 seconds?
- A.
The vehicle is at a constant positive velocity and moving.

- B.
The vehicle is at a constant negative velocity and moving.

- C.
The vehicle is at a constant velocity and not moving.

- D.
The vehicle is continually increasing in velocity.

- 11.Use the graph below to answer questions 7-11 #11: Describe the motion of the vehicle at 2-5 seconds
- A.
Velocity = +1 m/sec, traveling in the positive direction

- B.
Velocity = -1 m/sec, traveling in the positive direction

- C.
Velocity = +1 m/sec, traveling in the negative direction

- D.
Velocity = -1 m/sec, traveling in the negative direction

- 12.Is this graph possible? Can it describe the motion for one vehicle in a single trial? Choose the best answer below.
- A.
No, a vehicle can't be in the same position at the same value.

- B.
No, a vehicle can't have different positions attached to different time values.

- C.
Yes, a vehicle is able to have two positions at one time value

- D.
Yes, a vehicle can have multiple positions (one or more) at one time value.

- 13.Use the following for questions 13-15 What happens when the lines above cross?
- A.
CMV1 and CMV2 crash

- B.
CMV1 and CMV2 have the same velocity

- C.
CMV1 and CMV2 are at the same position from the origin

- D.
CMV1 and CMV2 have moved the same total position

- 14.Use the following for questions 13-15 Which CMV has moved more position overall from 0-15 seconds?
- A.
CMV1

- B.
CMV2

- C.
CMV1 and CMV2 are same

- 15.Use the following for questions 13-15 Which answer best supports your response in #14
- A.
CMV1 has changed more position over this time period than CMV2

- B.
CMV2 is moving in the negative direction, and CMV1 is moving positive, so it has traveled further.

- C.
CMV2 has changed more position over this time period than CMV1

- D.
CMV1 and CMV2 change the same amount of position

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