Questions 1 and 2 refer to the velocity vs. time graph below for an object moving along a flat track. Each answer selection below refers to the options of a, b, c, d on the graph1. At what time does the object change direction? Refer to the times highlighted in the graph. a)b)c)d)e) Both b and df) None of the above 2. At what time does the object reach its highest speed? Refer to the times highlighted in the graph. a)b)c)d)e) None of the above The image shows a velocity-time (v-t) graph with the velocity (v) on the vertical axis and time (t) on the horizontal axis. The graph displays a piecewise linear function:1. **Initial Segment**: The graph starts at the origin (0,0) and rises with a positive slope, indicating increasing positive velocity over time.2. **Second Segment**: After reaching a peak, the velocity decreases sharply beyond the x-axis into negative territory, suggesting deceleration and then motion in the opposite direction.3. **Third Segment**: The velocity returns towards zero, intersecting the x-axis, implying the object comes to a stop briefly.4. **Fourth Segment**: The velocity decreases sharply again, this time further into negative values, indicating a rapid acceleration in the opposite direction.5. **Final Segment**: The velocity increases towards zero, reaching back to a resting state.There are four key points marked with vertical dashed lines labeled a), b), c), and d), which represent significant changes in velocity:- **Point a)**: Marks the transition from increasing velocity to decreasing velocity.- **Point b)**: Indicates the point where the velocity crosses from positive to negative, showing a change in direction.- **Point c)**: Marks a brief return to zero velocity.- **Point d)**: Represents the lowest point of velocity before increasing back towards zero.This graph is useful for understanding how velocity changes over time in a dynamic system and can be used to analyze motion patterns.

Answered: Questions 1 and 2 refer to the velocity…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Questions 1 and 2 refer to the velocity vs. time graph below for an object moving along a flat track. Each answer selection below refers to the options of a, b, c, d on the graph

1. At what time does the object change direction? Refer to the times highlighted in the graph.

e) Both b and d

f) None of the above

2. At what time does the object reach its highest speed? Refer to the times highlighted in the graph.

e) None of the above

The image shows a velocity-time (v-t) graph with the velocity (v) on the vertical axis and time (t) on the horizontal axis. The graph displays a piecewise linear function:

1. **Initial Segment**: The graph starts at the origin (0,0) and rises with a positive slope, indicating increasing positive velocity over time.

2. **Second Segment**: After reaching a peak, the velocity decreases sharply beyond the x-axis into negative territory, suggesting deceleration and then motion in the opposite direction.

3. **Third Segment**: The velocity returns towards zero, intersecting the x-axis, implying the object comes to a stop briefly.

4. **Fourth Segment**: The velocity decreases sharply again, this time further into negative values, indicating a rapid acceleration in the opposite direction.

5. **Final Segment**: The velocity increases towards zero, reaching back to a resting state.

There are four key points marked with vertical dashed lines labeled a), b), c), and d), which represent significant changes in velocity:

- **Point a)**: Marks the transition from increasing velocity to decreasing velocity.
- **Point b)**: Indicates the point where the velocity crosses from positive to negative, showing a change in direction.
- **Point c)**: Marks a brief return to zero velocity.
- **Point d)**: Represents the lowest point of velocity before increasing back towards zero.

This graph is useful for understanding how velocity changes over time in a dynamic system and can be used to analyze motion patterns.

Expert Solution

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In the following velocity time graph, we can see that at points b and d, the line changes its usual path. From points (a) to (b), the slope is positive and then from (b) the slope becomes negative. Again from (b) to (d), the slope is negative and then from (d) the slope becomes positive again. The change in slope denotes the change in direction.

Answer: e) Both b and d

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