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 second photo has background info used to solve the practice problem.
Transcribed Image Text:**Page 102 Practice Problem 4.3:**
If the electric field exerted the same net force on a proton (m = 1.67 x 10^-27 kg), how long would it take for the proton to travel 0.20 m within the field if it started from rest?
**Answer:** 6.46 x 10^-8 s.
![**Educational Content: Analyzing Forces in a TV Picture Tube**
**Example 4.13: A TV Picture Tube**
**Set Up:**
Figure 4.15 shows a simple picture tube with an electron experiencing a force due to an electric field. The problem asks us to find the acceleration of an electron (\( m = 9.11 \times 10^{-31} \, \text{kg} \)) when the electric force (\( F = 1.60 \times 10^{-13} \, \text{N} \)) is applied in the positive x-direction.
**Solution:**
1. Use Newton’s second law in the x-direction:
\[
a_x = \frac{\Sigma F_x}{m} = \frac{1.60 \times 10^{-13} \, \text{N}}{9.11 \times 10^{-31} \, \text{kg}}
\]
2. Calculate the acceleration:
\[
a_x = 1.76 \times 10^{17} \, \text{m/s}^2
\]
**Reflect:**
- The magnitudes of these quantities are large because the mass of the electron is very small compared to the force exerted.
**Figures:**
- **Figure 4.15:** Illustrates the scenario with the electron (\( m = 9.11 \times 10^{-31} \, \text{kg} \)) experiencing an electric force (\( F = 1.60 \times 10^{-13} \, \text{N} \)) towards the positive x-direction.
- Diagram key elements:
- An arrow representing the force vector pointing right.
- Labels indicating the mass and force values clearly.
**Practice Problem:**
- Suppose the counter attendant pushes a 0.35 kg bottle with a force of 1.60 N across a counter.
- Determine the magnitude of the frictional force, given that the bottle travels 0.20 m before stopping.
**Reflective Notes:**
- Real-world forces can cause significant movement, highlighting the importance of friction.
- Notice differences in scales of forces and effects when comparing microscopic particles to macroscopic objects.
**Conceptual Analysis 4.3: Raising a Toolbox**
- Discusses using a rope to hoist a box of tools with constant force.
- Analyzes different factors,](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F28764828-4d1c-44b8-9544-7d79c8b69e6b%2F48141e86-ddeb-4324-a3a9-45f28e258664%2Fzy3342_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Educational Content: Analyzing Forces in a TV Picture Tube**
**Example 4.13: A TV Picture Tube**
**Set Up:**
Figure 4.15 shows a simple picture tube with an electron experiencing a force due to an electric field. The problem asks us to find the acceleration of an electron (\( m = 9.11 \times 10^{-31} \, \text{kg} \)) when the electric force (\( F = 1.60 \times 10^{-13} \, \text{N} \)) is applied in the positive x-direction.
**Solution:**
1. Use Newton’s second law in the x-direction:
\[
a_x = \frac{\Sigma F_x}{m} = \frac{1.60 \times 10^{-13} \, \text{N}}{9.11 \times 10^{-31} \, \text{kg}}
\]
2. Calculate the acceleration:
\[
a_x = 1.76 \times 10^{17} \, \text{m/s}^2
\]
**Reflect:**
- The magnitudes of these quantities are large because the mass of the electron is very small compared to the force exerted.
**Figures:**
- **Figure 4.15:** Illustrates the scenario with the electron (\( m = 9.11 \times 10^{-31} \, \text{kg} \)) experiencing an electric force (\( F = 1.60 \times 10^{-13} \, \text{N} \)) towards the positive x-direction.
- Diagram key elements:
- An arrow representing the force vector pointing right.
- Labels indicating the mass and force values clearly.
**Practice Problem:**
- Suppose the counter attendant pushes a 0.35 kg bottle with a force of 1.60 N across a counter.
- Determine the magnitude of the frictional force, given that the bottle travels 0.20 m before stopping.
**Reflective Notes:**
- Real-world forces can cause significant movement, highlighting the importance of friction.
- Notice differences in scales of forces and effects when comparing microscopic particles to macroscopic objects.
**Conceptual Analysis 4.3: Raising a Toolbox**
- Discusses using a rope to hoist a box of tools with constant force.
- Analyzes different factors,
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