A small block of mass 175 g starts at rest 4.0 m above the ground (point A). The block then slides to point B where its speed is 4.5 m/s then slides along the horizontal surface a distance 10 m before coming to rest at point C. (See figure)What is the work done on the block by gravity (in J) along the curved surface between points A and B?What is the work done on the block by friction (in J) along the curved surface between points A and B? What is the work done on the block by friction (in J) along the horizontal surface between points B and C?What is the coefficient of kinetic friction along the horizontal surface? ### Diagram ExplanationThe image depicts a section of a path or track involving a curved incline followed by a horizontal straight path. The key components of the diagram are as follows:- **Point A**: This is the starting point located at the top of the curve. At this point, there is an object, represented as a blue box, commencing its motion.- **Curved Incline**: The path from Point A downward is curved, suggesting a potential role of gravity in accelerating the object as it moves downwards.- **Vertical Height**: From Point A to the horizontal line (at the bottom of the curve), the vertical distance is marked as 4.0 meters, indicating the height from which the object begins to descend.- **Point B to Point C**: After the curve, the path continues in a horizontal straight line for 10 meters. Point B marks the transition from the curve to this straight path, while Point C is the endpoint of the straight section.In summary, the diagram illustrates a path consisting of an initial 4.0-meter high curve leading into a 10-meter horizontal stretch. This setup could be used to explore principles of physics such as gravitational potential energy, kinetic energy, and friction.

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Description: A small block of mass 175 g starts at rest 4.0 m above the ground (point A). The block then slides to point B where its speed is 4.5 m/s then slides along the horizontal surface a distance 10 m before coming to rest at point C. (See figure)What is th

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Answered: 4.0 m above the ground (point A). The…

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A small block of mass 175 g starts at rest 4.0 m above the ground (point A). The block then slides to point B where its speed is 4.5 m/s then slides along the horizontal surface a distance 10 m before coming to rest at point C. (See figure)
What is the work done on the block by gravity (in J) along the curved surface between points A and B?

What is the work done on the block by friction (in J) along the curved surface between points A and B?

What is the work done on the block by friction (in J) along the horizontal surface between points B and C?

What is the coefficient of kinetic friction along the horizontal surface?

### Diagram Explanation

The image depicts a section of a path or track involving a curved incline followed by a horizontal straight path. The key components of the diagram are as follows:

- **Point A**: This is the starting point located at the top of the curve. At this point, there is an object, represented as a blue box, commencing its motion.
- **Curved Incline**: The path from Point A downward is curved, suggesting a potential role of gravity in accelerating the object as it moves downwards.
- **Vertical Height**: From Point A to the horizontal line (at the bottom of the curve), the vertical distance is marked as 4.0 meters, indicating the height from which the object begins to descend.
- **Point B to Point C**: After the curve, the path continues in a horizontal straight line for 10 meters. Point B marks the transition from the curve to this straight path, while Point C is the endpoint of the straight section.

In summary, the diagram illustrates a path consisting of an initial 4.0-meter high curve leading into a 10-meter horizontal stretch. This setup could be used to explore principles of physics such as gravitational potential energy, kinetic energy, and friction.

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