A 15.0 kg block is released from rest at point A in the figure below. The track is frictionless except for the portion between points B and C, which has a length of 6.00 m. The block travels down the track, hits a spring of force constant 2,400 N/m, and compresses the spring 0.250 m from its equilibrium position before coming to rest momentarily.  a). Determine the coefficient of kinetic friction between the block and the rough surface between points B and C.  (b) What If? The spring now expands, forcing the block back to the left. Does the block reach point B? If the block does reach point B, how far up the curved portion of the track does it reach, and if it does not, how far short of point B does the block come to a stop? (Enter your answer in m.)

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A 15.0 kg block is released from rest at point A in the figure below. The track is frictionless except for the portion between points B and C, which has a length of 6.00 m. The block travels down the track, hits a spring of force constant 2,400 N/m, and compresses the spring 0.250 m from its equilibrium position before coming to rest momentarily. 

a). Determine the coefficient of kinetic friction between the block and the rough surface between points B and C. 

(b) What If? The spring now expands, forcing the block back to the left. Does the block reach point B?

If the block does reach point B, how far up the curved portion of the track does it reach, and if it does not, how far short of point B does the block come to a stop? (Enter your answer in m.)

In the given diagram, we have a scenario commonly used in physics to demonstrate concepts of energy conservation and motion dynamics.

### Diagram Description

1. **Inclined Plane:**
   - On the left side, there is a curved inclined plane.
   - Point A marks the starting position of a block at the top of the inclined plane at a height of 3.00 meters above the ground.

2. **Horizontal Surface:**
   - After the inclined plane, there is a horizontal surface.
   - The section from B to C measures 6.00 meters and represents a flat trajectory along which the block can travel.

3. **Spring:**
   - At the end of the horizontal surface, there is a spring positioned.
   - The spring is compressed as part of the energy conservation analysis.

### Physical Concepts

- **Potential Energy at Point A:** The block has gravitational potential energy due to its height of 3.00 meters.
- **Kinetic and Potential Energy Exchange:** As the block moves down the inclined plane, its potential energy is converted into kinetic energy.
- **Motion Along BC:** The block travels a horizontal distance of 6.00 meters, maintaining kinetic energy.
- **Spring Compression:** Upon reaching the spring, the kinetic energy is further converted into elastic potential energy as the spring compresses.

This setup is used to explore concepts such as energy conservation, the transformation between potential and kinetic energy, and the behavior of springs under compression.
Transcribed Image Text:In the given diagram, we have a scenario commonly used in physics to demonstrate concepts of energy conservation and motion dynamics. ### Diagram Description 1. **Inclined Plane:** - On the left side, there is a curved inclined plane. - Point A marks the starting position of a block at the top of the inclined plane at a height of 3.00 meters above the ground. 2. **Horizontal Surface:** - After the inclined plane, there is a horizontal surface. - The section from B to C measures 6.00 meters and represents a flat trajectory along which the block can travel. 3. **Spring:** - At the end of the horizontal surface, there is a spring positioned. - The spring is compressed as part of the energy conservation analysis. ### Physical Concepts - **Potential Energy at Point A:** The block has gravitational potential energy due to its height of 3.00 meters. - **Kinetic and Potential Energy Exchange:** As the block moves down the inclined plane, its potential energy is converted into kinetic energy. - **Motion Along BC:** The block travels a horizontal distance of 6.00 meters, maintaining kinetic energy. - **Spring Compression:** Upon reaching the spring, the kinetic energy is further converted into elastic potential energy as the spring compresses. This setup is used to explore concepts such as energy conservation, the transformation between potential and kinetic energy, and the behavior of springs under compression.
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