Halleys comet moves about the Sun in a highly elliptical orbit At its closest approach, it is a distance of 8 9 10 10 m from the Sun and has a speed of 54 km s When it is farthest from the Sun, the two are separated by 5 3 10 12 m Find the comets speed at that point in its orbit ...

The Sun can only exert a central force on the comet so the comets angular momentum ...

Halleys comet moves about the Sun in a highly elliptical orbit. At its closest approach, it is

Question:

Halley’s comet moves about the Sun in a highly elliptical orbit. At its closest approach, it is a distance of 8.9 × 10¹⁰m from the Sun and has a speed of 54 km/s. When it is farthest from the Sun, the two are separated by 5.3 × 10¹² m. Find the comet’s speed at that point in its orbit.

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