7:48 5. The graph shows position as a function of time for two trains running on parallel tracks. Which is true: position B К time 1. At time tg,both trains have the same velocity. 2. Both trains speed up all the time. 3. Both trains have the same velocity at some time before tB. 4. Somewhere on the graph, both trains have the same acceleration. 6. The position-versus-time graph depicting the paths of two cyclists is shown below (a) Do cyclists start from the same position? (b) Are there any times that they have the same velocity? (c) What is happening at the intersection of lines A and B? x To B 7. The figure below shows a position-versus-time graph of the motion of a car. Describe the velocity and acceleration during segments OA, AB, and BC. x B C < >

Inquiry into Physics
8th Edition
ISBN:9781337515863
Author:Ostdiek
Publisher:Ostdiek
Chapter1: The Study Of Motion
Section: Chapter Questions
Problem 7C
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Just 5 and 6 don't mind 7

7:48
5. The graph shows position as a function of time for two trains running on parallel
tracks. Which is true:
position
B
К
time
1. At time tg,both trains have the same velocity.
2. Both trains speed up all the time.
3. Both trains have the same velocity at some time before tB.
4. Somewhere on the graph, both trains have the same acceleration.
6. The position-versus-time graph depicting the paths of two cyclists is shown below
(a) Do cyclists start from the same position?
(b) Are there any times that they have the same velocity?
(c) What is happening at the intersection of lines A and B?
x
To
B
7. The figure below shows a position-versus-time graph of the motion of a car. Describe the
velocity and acceleration during segments OA, AB, and BC.
x
B
C
< >
Transcribed Image Text:7:48 5. The graph shows position as a function of time for two trains running on parallel tracks. Which is true: position B К time 1. At time tg,both trains have the same velocity. 2. Both trains speed up all the time. 3. Both trains have the same velocity at some time before tB. 4. Somewhere on the graph, both trains have the same acceleration. 6. The position-versus-time graph depicting the paths of two cyclists is shown below (a) Do cyclists start from the same position? (b) Are there any times that they have the same velocity? (c) What is happening at the intersection of lines A and B? x To B 7. The figure below shows a position-versus-time graph of the motion of a car. Describe the velocity and acceleration during segments OA, AB, and BC. x B C < >
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