A 1500 kg car skids to a halt on a wet road where μ = 0.16. How fast was the car traveling if it leaves 55-m-long skid marks?

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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### Problem Description

A 1500 kg car skids to a halt on a wet road where the coefficient of kinetic friction (\(\mu_k\)) is 0.16.

#### Part A

**Question:**  
How fast was the car traveling if it leaves 55-meter-long skid marks?

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

**Input Fields:**  
- \( v = \) [Value] [Units]

---

In order to solve this problem, you will need to apply the principles of physics related to friction and motion. Use the coefficient of kinetic friction and the mass of the car to find the initial velocity before the skid. You may need to apply the work-energy principle or equations of motion that incorporate frictional force. 

**Hint:**  
Consider using \(\mu_k\) to calculate the deceleration and then apply kinematic equations to find the initial speed.
Transcribed Image Text:### Problem Description A 1500 kg car skids to a halt on a wet road where the coefficient of kinetic friction (\(\mu_k\)) is 0.16. #### Part A **Question:** How fast was the car traveling if it leaves 55-meter-long skid marks? **Instructions:** Express your answer with the appropriate units. **Input Fields:** - \( v = \) [Value] [Units] --- In order to solve this problem, you will need to apply the principles of physics related to friction and motion. Use the coefficient of kinetic friction and the mass of the car to find the initial velocity before the skid. You may need to apply the work-energy principle or equations of motion that incorporate frictional force. **Hint:** Consider using \(\mu_k\) to calculate the deceleration and then apply kinematic equations to find the initial speed.
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