The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically r=0.002. Suppose a 180,000 kg locomotive is rolling at 22 m/s on level rails. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. Part A If the engineer disengages the engine, how much time will it take the locomotive to coast to a stop? Express your answer in seconds. 197| ΑΣΦ At = Submit Part B How far will the locomotive move during this time? Express your answer with the appropriate units. Ax= Request Answer Submit Value Request Answer Units ? ? 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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The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically \( \mu_r = 0.002 \). Suppose a 180,000 kg locomotive is rolling at 22 m/s on level rails.

For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution.

### Part A

**Question:**
If the engineer disengages the engine, how much time will it take the locomotive to coast to a stop?

**Instruction:**
Express your answer in seconds.

- Input box for answer: \( \Delta t = \) _______ s
- Buttons for mathematical symbols and functions are available.
- Submit button to finalize the answer.
- Option to request the correct answer.

### Part B

**Question:**
How far will the locomotive move during this time?

**Instruction:**
Express your answer with the appropriate units.

- Input box for answer: \( \Delta x = \) Value _______ Units _______
- Buttons for mathematical symbols and functions are available.
- Submit button to finalize the answer.
- Option to request the correct answer.

There is a "Provide Feedback" link for user suggestions or comments.
Transcribed Image Text:The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically \( \mu_r = 0.002 \). Suppose a 180,000 kg locomotive is rolling at 22 m/s on level rails. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. ### Part A **Question:** If the engineer disengages the engine, how much time will it take the locomotive to coast to a stop? **Instruction:** Express your answer in seconds. - Input box for answer: \( \Delta t = \) _______ s - Buttons for mathematical symbols and functions are available. - Submit button to finalize the answer. - Option to request the correct answer. ### Part B **Question:** How far will the locomotive move during this time? **Instruction:** Express your answer with the appropriate units. - Input box for answer: \( \Delta x = \) Value _______ Units _______ - Buttons for mathematical symbols and functions are available. - Submit button to finalize the answer. - Option to request the correct answer. There is a "Provide Feedback" link for user suggestions or comments.
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