The orbit of comet Halley around the Sun is a long thin ellipse At its aphelion (point farthest from the Sun), the comet is 5 3 10 12 m from the Sun and moves with a speed of 10 0 km s What is the comets speed at its perihelion (closest approach to the Sun) where its distance from the Sun is 8 9 10...

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The orbit of comet Halley around the Sun is a long thin ellipse. At its aphelion (point

Question:

The orbit of comet Halley around the Sun is a long thin ellipse. At its aphelion (point farthest from the Sun), the comet is 5.3 × 10¹² m from the Sun and moves with a speed of 10.0 km/s. What is the comet’s speed at its perihelion (closest approach to the Sun) where its distance from the Sun is 8.9 × 10¹⁰ m?

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