(10%) Problem 2: A soccer ball is kicked from ground level across a level soccer field with initial velocity vector vo= 6 m/s at soccer ball feels wind resistance 0=34° above horizontal. The which causes it to slow horizontally with constant acceleration magnitude a, = 0.98 m/s², while leaving its vertical motion unchanged. is negligible. Choose the positive direction of x from initial point towards final point of flight. Use a Cartesian system with the origin at the ball's initial position. Assume any other air resistance coordinate Williams Khalia-williams khalia@columbusstate.edu

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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### Physics Problem Explanation

#### Problem 2: Soccer Ball Kick Analysis

Given Scenario:
- A soccer ball is kicked from ground level across a level soccer field.

Parameters:
1. **Initial Velocity (\( v_0 \))**: The ball has an initial velocity vector of \( 6 \, \text{m/s} \) at an angle of \( \theta = 34^\circ \) above the horizontal.
2. **Vertical Motion**: The vertical motion remains unaffected by external factors.
3. **Wind Resistance**: The ball experiences wind resistance causing a constant horizontal acceleration magnitude of \( q_h = -0.9 \, \text{m/s}^2 \).

Objective:
- Analyze the motion of the soccer ball using a Cartesian coordinate system.

Instructions:
- Assume any other air resistance is negligible.
- Select a coordinate system with the origin at the ball's initial position.
- Choose the positive direction of the reference frame from the initial point towards the final point of flight.

Steps to Solve:
1. Decompose the initial velocity into horizontal (\( v_{0x} \)) and vertical (\( v_{0y} \)) components:
   \[
   v_{0x} = v_0 \cos(\theta)
   \]
   \[
   v_{0y} = v_0 \sin(\theta)
   \]

2. Account for wind resistance affecting horizontal motion:
   \[
   a_x = q_h
   \]

3. Analyze vertical motion unaffected by horizontal resistance:
   - Use kinematic equations for projectile motion.

4. Employ a Cartesian coordinate system for detailed quantification of trajectories and impacts under given conditions.

By understanding these parameters and assumptions, you can systematically approach the analysis of the problem, predict the trajectory of the soccer ball, and calculate the point of impact on the field.
Transcribed Image Text:### Physics Problem Explanation #### Problem 2: Soccer Ball Kick Analysis Given Scenario: - A soccer ball is kicked from ground level across a level soccer field. Parameters: 1. **Initial Velocity (\( v_0 \))**: The ball has an initial velocity vector of \( 6 \, \text{m/s} \) at an angle of \( \theta = 34^\circ \) above the horizontal. 2. **Vertical Motion**: The vertical motion remains unaffected by external factors. 3. **Wind Resistance**: The ball experiences wind resistance causing a constant horizontal acceleration magnitude of \( q_h = -0.9 \, \text{m/s}^2 \). Objective: - Analyze the motion of the soccer ball using a Cartesian coordinate system. Instructions: - Assume any other air resistance is negligible. - Select a coordinate system with the origin at the ball's initial position. - Choose the positive direction of the reference frame from the initial point towards the final point of flight. Steps to Solve: 1. Decompose the initial velocity into horizontal (\( v_{0x} \)) and vertical (\( v_{0y} \)) components: \[ v_{0x} = v_0 \cos(\theta) \] \[ v_{0y} = v_0 \sin(\theta) \] 2. Account for wind resistance affecting horizontal motion: \[ a_x = q_h \] 3. Analyze vertical motion unaffected by horizontal resistance: - Use kinematic equations for projectile motion. 4. Employ a Cartesian coordinate system for detailed quantification of trajectories and impacts under given conditions. By understanding these parameters and assumptions, you can systematically approach the analysis of the problem, predict the trajectory of the soccer ball, and calculate the point of impact on the field.
### Problem Statement
**Part (b)** Calculate the horizontal distance, \( x_{\text{max}} \), in meters, the ball travels before it returns to the soccer field.

### Input Field
\( x_{\text{max}} = \underline{\hspace{2cm}} \)

### Calculation Interface
A scientific calculator interface is provided with the following functions and buttons:

#### Trigonometric and Hyperbolic Functions:
- **sin()**
- **cos()**
- **tan()**
- **cotan()**
- **asin()**  (inverse sine or arcsine)
- **acos()**  (inverse cosine or arccosine)
- **atan()**  (inverse tangent or arctangent)
- **acotan()**  (inverse cotangent or arccotangent)
- **sinh()**  (hyperbolic sine)
- **cosh()**  (hyperbolic cosine)
- **tanh()**  (hyperbolic tangent)
- **cotanh()**  (hyperbolic cotangent)

#### Constants and Other Functions:
- **π**  (Pi)
- **E**  (Euler's Number)

#### Selection for Angle Units:
- **Degrees**
- **Radians**

#### Numbers and Operations:
- Digits: **0** to **9**
- **(**  (left parenthesis)
- **) **  (right parenthesis)
- **.**  (decimal point)
- **+**  (addition)
- **-**  (subtraction)
- **/**  (division)
- **\***  (multiplication)
- **√()**  (square root)
- **\^**  (power)

### Utility Buttons:
- **Submit**  (to submit the answer)
- **Hint**  (to get a hint for the problem)
- **Feedback**  (to view feedback)
- **I give up!**  (to give up and possibly view the correct answer or solution)

### Submission Guidelines:
- Attempts remain: Multiple (0% per attempt—deduction policy unmentioned).

---

Ensure to calculate \( x_{\text{max}} \) using the provided interface correctly and submit your answer. If needed, refer to hints and feedback options for guidance.
Transcribed Image Text:### Problem Statement **Part (b)** Calculate the horizontal distance, \( x_{\text{max}} \), in meters, the ball travels before it returns to the soccer field. ### Input Field \( x_{\text{max}} = \underline{\hspace{2cm}} \) ### Calculation Interface A scientific calculator interface is provided with the following functions and buttons: #### Trigonometric and Hyperbolic Functions: - **sin()** - **cos()** - **tan()** - **cotan()** - **asin()** (inverse sine or arcsine) - **acos()** (inverse cosine or arccosine) - **atan()** (inverse tangent or arctangent) - **acotan()** (inverse cotangent or arccotangent) - **sinh()** (hyperbolic sine) - **cosh()** (hyperbolic cosine) - **tanh()** (hyperbolic tangent) - **cotanh()** (hyperbolic cotangent) #### Constants and Other Functions: - **π** (Pi) - **E** (Euler's Number) #### Selection for Angle Units: - **Degrees** - **Radians** #### Numbers and Operations: - Digits: **0** to **9** - **(** (left parenthesis) - **) ** (right parenthesis) - **.** (decimal point) - **+** (addition) - **-** (subtraction) - **/** (division) - **\*** (multiplication) - **√()** (square root) - **\^** (power) ### Utility Buttons: - **Submit** (to submit the answer) - **Hint** (to get a hint for the problem) - **Feedback** (to view feedback) - **I give up!** (to give up and possibly view the correct answer or solution) ### Submission Guidelines: - Attempts remain: Multiple (0% per attempt—deduction policy unmentioned). --- Ensure to calculate \( x_{\text{max}} \) using the provided interface correctly and submit your answer. If needed, refer to hints and feedback options for guidance.
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