**Question:**Assuming all the values given are exact, what is Emmy's velocity at a time of 3.65 s? Enter your answer to at least three significant digits.**Student Response:**1.45 m/s**Feedback:**Incorrect*Explanation:*The image displays a question regarding the calculation of velocity, asking specifically for the value at a time of 3.65 seconds. The response box provided shows the student's input of "1.45 m/s," which has been marked as incorrect. It suggests that either the calculation needs to be revisited, or the precision of the answer does not meet the required three significant digits. ### ScenarioEmmy is standing on a moving sidewalk that moves at +2 m/s. Suddenly, she realizes she might miss her flight, so begins to speed up, but then she hears over the PA system that her flight is delayed.### TaskThe acceleration versus time graph shows Emily's acceleration during the 5-second time interval in which all of the events occur. In the velocity versus time graph, construct a plot of Emmy's velocity over this same time period.### Acceleration vs Time Graph Details- **0 to 1 second**: Acceleration is +3 m/s².- **1 to 2 seconds**: Acceleration drops to +1 m/s².- **2 to 3 seconds**: Acceleration is 0 m/s².- **3 to 4 seconds**: Acceleration is -4 m/s².- **4 to 5 seconds**: Acceleration increases to 0 m/s².### Velocity vs Time Graph (Current)- The graph incorrectly shows a constant velocity of 0 m/s over the 5-second period, which is labeled as "incorrect".To correctly construct the velocity graph, consider the initial velocity of +2 m/s and apply the changes in acceleration over each interval.

Given, initial velocity 2m/s and acceleration time graph

Answered: Assuming all the values given are…

Assuming all the values given are exact, what is Emmy's velocity at a time of 3.65 s? Enter your answer to at least three significant digits. 1.45 m/s

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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Concept explainers

Estimate of calculation

Question

### Scenario

Emmy is standing on a moving sidewalk that moves at +2 m/s. Suddenly, she realizes she might miss her flight, so begins to speed up, but then she hears over the PA system that her flight is delayed.

### Task

The acceleration versus time graph shows Emily's acceleration during the 5-second time interval in which all of the events occur. In the velocity versus time graph, construct a plot of Emmy's velocity over this same time period.

### Acceleration vs Time Graph Details

- **0 to 1 second**: Acceleration is +3 m/s².
- **1 to 2 seconds**: Acceleration drops to +1 m/s².
- **2 to 3 seconds**: Acceleration is 0 m/s².
- **3 to 4 seconds**: Acceleration is -4 m/s².
- **4 to 5 seconds**: Acceleration increases to 0 m/s².

### Velocity vs Time Graph (Current)

- The graph incorrectly shows a constant velocity of 0 m/s over the 5-second period, which is labeled as "incorrect".

To correctly construct the velocity graph, consider the initial velocity of +2 m/s and apply the changes in acceleration over each interval.

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