(a) In the figure below, wheel A of radius rA = 10 cm is co = B to wheel C of radius rc 25 cm. The angular s A is increased from rest at a constant rate of 1.6 rad time needed for wheel C to reach an angular speed of assuming the belt does not slip. (Hint: If the belt doe linear speeds at the two rims must be equal.) TC C B

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### Problem Statement:

**(a)** In the figure below, wheel A of radius \( r_A = 10 \, \text{cm} \) is coupled by belt B to wheel C of radius \( r_C = 25 \, \text{cm} \). The angular speed of wheel A is increased from rest at a constant rate of \( 1.6 \, \text{rad/s}^2 \). Find the time needed for wheel C to reach an angular speed of \( 100 \, \text{rev/min} \), assuming the belt does not slip. *(Hint: If the belt does not slip, the linear speeds at the two rims must be equal.)*

### Explanation of the Diagram:

The diagram shows two wheels, labeled A and C, connected by a belt, labeled B. The radius of wheel A (\( r_A \)) is 10 cm, and the radius of wheel C (\( r_C \)) is 25 cm. The belt B connects the two wheels such that if wheel A rotates, it transmits motion to wheel C via the belt. The connection via the belt implies that the tangential (linear) speed at the rim of wheel A is equal to the tangential speed at the rim of wheel C, assuming the belt does not slip.

### Detailed Explanation:

- **Given:**
  - Radius of wheel A, \( r_A = 10 \, \text{cm} = 0.1 \, \text{m} \)
  - Radius of wheel C, \( r_C = 25 \, \text{cm} = 0.25 \, \text{m} \)
  - Angular acceleration of wheel A, \( \alpha_A = 1.6 \, \text{rad/s}^2 \)
  - Target angular speed of wheel C, \( \omega_C = 100 \, \text{rev/min} = \frac{100 \times 2\pi}{60} \, \text{rad/s} = \frac{10\pi}{3} \, \text{rad/s} \)

- **Find:**
  - Time \( t \) needed for wheel C to reach \( \omega_C = \frac{10\pi}{3} \, \text{rad/s} \)

- **Solution Outline:**
  1. Determine the relationship between the tangential speeds
Transcribed Image Text:### Problem Statement: **(a)** In the figure below, wheel A of radius \( r_A = 10 \, \text{cm} \) is coupled by belt B to wheel C of radius \( r_C = 25 \, \text{cm} \). The angular speed of wheel A is increased from rest at a constant rate of \( 1.6 \, \text{rad/s}^2 \). Find the time needed for wheel C to reach an angular speed of \( 100 \, \text{rev/min} \), assuming the belt does not slip. *(Hint: If the belt does not slip, the linear speeds at the two rims must be equal.)* ### Explanation of the Diagram: The diagram shows two wheels, labeled A and C, connected by a belt, labeled B. The radius of wheel A (\( r_A \)) is 10 cm, and the radius of wheel C (\( r_C \)) is 25 cm. The belt B connects the two wheels such that if wheel A rotates, it transmits motion to wheel C via the belt. The connection via the belt implies that the tangential (linear) speed at the rim of wheel A is equal to the tangential speed at the rim of wheel C, assuming the belt does not slip. ### Detailed Explanation: - **Given:** - Radius of wheel A, \( r_A = 10 \, \text{cm} = 0.1 \, \text{m} \) - Radius of wheel C, \( r_C = 25 \, \text{cm} = 0.25 \, \text{m} \) - Angular acceleration of wheel A, \( \alpha_A = 1.6 \, \text{rad/s}^2 \) - Target angular speed of wheel C, \( \omega_C = 100 \, \text{rev/min} = \frac{100 \times 2\pi}{60} \, \text{rad/s} = \frac{10\pi}{3} \, \text{rad/s} \) - **Find:** - Time \( t \) needed for wheel C to reach \( \omega_C = \frac{10\pi}{3} \, \text{rad/s} \) - **Solution Outline:** 1. Determine the relationship between the tangential speeds
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