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 2 and 3
![**AP Physics Problem Set #9**
**Name:** [Name]
**Date:** [Date]
**1-3: A box with mass \( M = 10 \, \text{kg} \) is pulled across a floor by a rope.**
There is friction between the box and the floor. The tension in the rope is 110 N. Consider an interval during which the box moves a distance of \(\Delta x = 3 \, \text{m}\) and its velocity increases from 2 m/s to 3 m/s.
1. **How much work (\( W_T \)) is done on the box by the rope?**
- Calculation with provided information shows \( 2.5 \times 3 = 7.5 \, \text{J} \).
2. **How much work (\( W_{\text{net}} \)) is done on the box by the net force?**
- Not solved in the text.
3. **Find the coefficient of kinetic friction between the box and the floor.**
- Not solved in the text.
- Formula and variables for frictional force are mentioned: \( F \cos \theta \).
**4. A 2.5 kg box is held and released from rest 1.5 meters above the ground and slides across a frictionless ramp 1.0 meters wide**
- At the left end is a spring with spring constant 250 N/m. The box compresses the spring and bounces back to the right. Use the work-energy theorem to find the speed of the box at the bottom of the ramp.
- **Diagram Description:**
- A triangle represents a ramp inclined at an angle with a box of mass 2.5 kg sliding down from a height of 1.5 m.
- The box compresses a spring at the left end, located on a horizontal surface, with a spring constant of 250 N/m.
- A 10.5-meter width is marked for the ramp's horizontal component.
**Questions:**
- **What is the speed of the box at the bottom of the ramp?**
*Note: Specific numeric solutions are not provided for questions 2, 3, and the fourth bullet point.*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04750898-40b6-4507-9bb8-e18bccce9e61%2F5660fa9e-d379-4129-9ca4-ab96932afc44%2F5t5xvtf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**AP Physics Problem Set #9**
**Name:** [Name]
**Date:** [Date]
**1-3: A box with mass \( M = 10 \, \text{kg} \) is pulled across a floor by a rope.**
There is friction between the box and the floor. The tension in the rope is 110 N. Consider an interval during which the box moves a distance of \(\Delta x = 3 \, \text{m}\) and its velocity increases from 2 m/s to 3 m/s.
1. **How much work (\( W_T \)) is done on the box by the rope?**
- Calculation with provided information shows \( 2.5 \times 3 = 7.5 \, \text{J} \).
2. **How much work (\( W_{\text{net}} \)) is done on the box by the net force?**
- Not solved in the text.
3. **Find the coefficient of kinetic friction between the box and the floor.**
- Not solved in the text.
- Formula and variables for frictional force are mentioned: \( F \cos \theta \).
**4. A 2.5 kg box is held and released from rest 1.5 meters above the ground and slides across a frictionless ramp 1.0 meters wide**
- At the left end is a spring with spring constant 250 N/m. The box compresses the spring and bounces back to the right. Use the work-energy theorem to find the speed of the box at the bottom of the ramp.
- **Diagram Description:**
- A triangle represents a ramp inclined at an angle with a box of mass 2.5 kg sliding down from a height of 1.5 m.
- The box compresses a spring at the left end, located on a horizontal surface, with a spring constant of 250 N/m.
- A 10.5-meter width is marked for the ramp's horizontal component.
**Questions:**
- **What is the speed of the box at the bottom of the ramp?**
*Note: Specific numeric solutions are not provided for questions 2, 3, and the fourth bullet point.*
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