A car wheel ball is initially at rest at the top of a ramp. If the energy of the car wheel is to be conserved. What must be the equation of conservation of energy if we take into account translational and rotational kinetic energies. Q Zoom ½ mv2 = ½ mv? + ½ lw? ½ mv? = ½ mv,? + mgh, mgh, = % mv2+½ lw² ½ mv? + mgh, =% mv, + mgh, ½ mv? + mgh, = ½ mv? + ½ lw?

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**Title: Conservation of Energy in a Rolling Car Wheel**

**Introduction:**
When studying the motion of a car wheel down a ramp, it is crucial to understand the principles of energy conservation. By considering both translational and rotational kinetic energies, we can arrive at the correct equation for energy conservation.

**Problem Statement:**
A car wheel ball is initially at rest at the top of a ramp. If the energy of the car wheel is to be conserved, what must be the equation of conservation of energy if we take into account translational and rotational kinetic energies?

**Diagram Explanation:**
The diagram attached illustrates a car wheel positioned at the top of an inclined ramp. The wheel is initially at rest and subsequently rolls down the ramp. The height of the initial position of the wheel at the top is denoted as \( h \).

**Choices for the Conservation of Energy Equation:**

A: \( \frac{1}{2} m v_i^2 = \frac{1}{2} m v_f^2 + \frac{1}{2} I \omega^2 \)

B: \( \frac{1}{2} m v_f^2 = \frac{1}{2} m v_f^2 + mgh_f \)

C: \( mgh_i = \frac{1}{2} m v_f^2 + \frac{1}{2} I \omega^2 \)

D: \( \frac{1}{2} m v_i^2 + mgh_i = \frac{1}{2} m v_f^2 + mgh_f \)

E: \( \frac{1}{2} m v_i + mgh_i = \frac{1}{2} m v_f^2 + \frac{1}{2} I \omega^2 \)

**Conservation of Energy Approach:**
When analyzing the wheel's motion, we account for its initial potential energy at height \( h \) (gravitational potential energy), its translational kinetic energy as it moves linearly down the ramp, and its rotational kinetic energy as it rolls.

- **Initial Energy**:
   - Potential Energy: \( mgh_i \)
   - Kinetic Energy: \( 0 \) (since it is initially at rest)

- **Final Energy**:
  - Potential Energy: \( mgh_f \)
  - Translational Kinetic Energy: \( \frac{1}{2} m v
Transcribed Image Text:**Title: Conservation of Energy in a Rolling Car Wheel** **Introduction:** When studying the motion of a car wheel down a ramp, it is crucial to understand the principles of energy conservation. By considering both translational and rotational kinetic energies, we can arrive at the correct equation for energy conservation. **Problem Statement:** A car wheel ball is initially at rest at the top of a ramp. If the energy of the car wheel is to be conserved, what must be the equation of conservation of energy if we take into account translational and rotational kinetic energies? **Diagram Explanation:** The diagram attached illustrates a car wheel positioned at the top of an inclined ramp. The wheel is initially at rest and subsequently rolls down the ramp. The height of the initial position of the wheel at the top is denoted as \( h \). **Choices for the Conservation of Energy Equation:** A: \( \frac{1}{2} m v_i^2 = \frac{1}{2} m v_f^2 + \frac{1}{2} I \omega^2 \) B: \( \frac{1}{2} m v_f^2 = \frac{1}{2} m v_f^2 + mgh_f \) C: \( mgh_i = \frac{1}{2} m v_f^2 + \frac{1}{2} I \omega^2 \) D: \( \frac{1}{2} m v_i^2 + mgh_i = \frac{1}{2} m v_f^2 + mgh_f \) E: \( \frac{1}{2} m v_i + mgh_i = \frac{1}{2} m v_f^2 + \frac{1}{2} I \omega^2 \) **Conservation of Energy Approach:** When analyzing the wheel's motion, we account for its initial potential energy at height \( h \) (gravitational potential energy), its translational kinetic energy as it moves linearly down the ramp, and its rotational kinetic energy as it rolls. - **Initial Energy**: - Potential Energy: \( mgh_i \) - Kinetic Energy: \( 0 \) (since it is initially at rest) - **Final Energy**: - Potential Energy: \( mgh_f \) - Translational Kinetic Energy: \( \frac{1}{2} m v
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