During which part of the planet's orbit (A, B, C, or D) would the planet move with the greatest speed? Answer E if you think the planet travels with the same speed during ALL of the portions of the motion (A, B, C, and D).

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### Kepler's Second Law Demonstration

The diagram illustrates a planet's orbital path that adheres to Kepler's Second Law, which states that a line segment joining a planet and the sun sweeps out equal areas during equal intervals of time.

#### Diagram Description
- **Orbit Shape**: The orbit is elliptical, with the sun positioned at one focal point.
- **Sections A, B, C, D**: The orbit is divided into four segments, each representing a portion of the orbit during equal time intervals:
  - **A**: Near the closest point to the sun (perihelion).
  - **B**: Slightly further away.
  - **C**: Further from the sun.
  - **D**: Near the furthest point from the sun (aphelion).
- **Shaded Areas**: Triangular sectors are shaded to show equal areas covered in equal time segments across the orbit.

#### Question
During which part of the planet's orbit (A, B, C, or D) does the planet move with the greatest speed? Answer E if you think the planet travels with the same speed during all portions of motion (A, B, C, and D).

#### Answer Options
- ○ A. A
- ○ B. B
- ○ C. C
- ○ D. D
- ○ E. E

### Key Concept
According to Kepler's Second Law, the planet moves fastest when it is closest to the sun (perihelion) and slowest when it is farthest from the sun (aphelion). This is due to the gravitational pull being stronger when the planet is nearer to the sun.
Transcribed Image Text:### Kepler's Second Law Demonstration The diagram illustrates a planet's orbital path that adheres to Kepler's Second Law, which states that a line segment joining a planet and the sun sweeps out equal areas during equal intervals of time. #### Diagram Description - **Orbit Shape**: The orbit is elliptical, with the sun positioned at one focal point. - **Sections A, B, C, D**: The orbit is divided into four segments, each representing a portion of the orbit during equal time intervals: - **A**: Near the closest point to the sun (perihelion). - **B**: Slightly further away. - **C**: Further from the sun. - **D**: Near the furthest point from the sun (aphelion). - **Shaded Areas**: Triangular sectors are shaded to show equal areas covered in equal time segments across the orbit. #### Question During which part of the planet's orbit (A, B, C, or D) does the planet move with the greatest speed? Answer E if you think the planet travels with the same speed during all portions of motion (A, B, C, and D). #### Answer Options - ○ A. A - ○ B. B - ○ C. C - ○ D. D - ○ E. E ### Key Concept According to Kepler's Second Law, the planet moves fastest when it is closest to the sun (perihelion) and slowest when it is farthest from the sun (aphelion). This is due to the gravitational pull being stronger when the planet is nearer to the sun.
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