### Physics Problem: Motion and Friction on an Inclined PlaneA child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in 1.59 seconds. The mass of the book bag is 2.85 kg, the length of the slide is 2.80 meters, and the angle of incline is 33.5°. Assume the x-axis to be parallel to and down the slide. For all values, enter the magnitude only.1. **With what acceleration (in m/s²) does the bag go down the slide?** - **Answer: 2.2 m/s²** - This value is correct as indicated by the green checkmark next to the answer.2. **What is the friction force (in N) acting on the bag?** - **Answer: 9.14 N** - This value is correct as indicated by the green checkmark next to the answer.3. **What is the coefficient of kinetic friction between the bag and the slide?** - **Answer: 0.93** - This value is incorrect as indicated by the red X mark next to the answer.4. **What is the speed (in m/s) of the bag when it reaches the bottom of the slide?** - **Answer: 3.5 m/s** - This value is correct as indicated by the green checkmark next to the answer.### Explanation of DiagramsThere are no specific diagrams or graphs in the provided image, only textual information with input fields, some of which are marked with green checkmarks to denote correct answers and a red X to denote an incorrect answer. The learning points from this exercise focus on calculating acceleration, friction force, coefficient of kinetic friction, and speed of an object on an incline using fundamental principles of physics. ### Analysis- **Accurate Calculation of Acceleration (2.2 m/s²):** This indicates the correct application of kinematic equations on an inclined plane. - **Friction Force (9.14 N):** Correctly calculated using principles of friction and Newton's second law.- **Coefficient of Kinetic Friction (0.93):** This incorrect answer suggests that there might be an error in applying the correct formula or values related to normal force and frictional force.- **Speed (3.5 m

Answered: Image /qna-images/answer/13a27656-ae8d-476b-b3df-a7ddbd2a0fb9.jpg

A child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in 1.59 s. The mass of the book bag is 2.85 kg, the length of the slide is 2.80 m and the angle of incline is 33.5°. (Assume the +x-axis to be parallel to and down the slide. For all values, enter the magnitude only.) (a) With what acceleration (in m/s) does the bag go down the slide? 2.2 v m/s? (b) What is the friction force (in N) acting on the bag? 9.14 (c) What is the coefficient kinetic friction between the bag and the slide? 0.93

A child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in 1.59 s. The mass of the book bag is 2.85 kg, the length of the slide is 2.80 m and the angle of incline is 33.5°. (Assume the +x-axis to be parallel to and down the slide. For all values, enter the magnitude only.) (a) With what acceleration (in m/s) does the bag go down the slide? 2.2 v m/s? (b) What is the friction force (in N) acting on the bag? 9.14 (c) What is the coefficient kinetic friction between the bag and the slide? 0.93

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

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

### Physics Problem: Motion and Friction on an Inclined Plane

A child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in 1.59 seconds. The mass of the book bag is 2.85 kg, the length of the slide is 2.80 meters, and the angle of incline is 33.5°. Assume the x-axis to be parallel to and down the slide. For all values, enter the magnitude only.

1. **With what acceleration (in m/s²) does the bag go down the slide?**
- **Answer: 2.2 m/s²**
- This value is correct as indicated by the green checkmark next to the answer.

2. **What is the friction force (in N) acting on the bag?**
- **Answer: 9.14 N**
- This value is correct as indicated by the green checkmark next to the answer.

3. **What is the coefficient of kinetic friction between the bag and the slide?**
- **Answer: 0.93**
- This value is incorrect as indicated by the red X mark next to the answer.

4. **What is the speed (in m/s) of the bag when it reaches the bottom of the slide?**
- **Answer: 3.5 m/s**
- This value is correct as indicated by the green checkmark next to the answer.

### Explanation of Diagrams

There are no specific diagrams or graphs in the provided image, only textual information with input fields, some of which are marked with green checkmarks to denote correct answers and a red X to denote an incorrect answer.

The learning points from this exercise focus on calculating acceleration, friction force, coefficient of kinetic friction, and speed of an object on an incline using fundamental principles of physics.

### Analysis

- **Accurate Calculation of Acceleration (2.2 m/s²):** This indicates the correct application of kinematic equations on an inclined plane.

- **Friction Force (9.14 N):** Correctly calculated using principles of friction and Newton's second law.

- **Coefficient of Kinetic Friction (0.93):** This incorrect answer suggests that there might be an error in applying the correct formula or values related to normal force and frictional force.

- **Speed (3.5 m

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