Physics, 20.09.2019 05:00 michelemosbahiow6yya
The orbit of halley's comet around the sun is a long thin ellipse. at its aphelion (point farthest from the sun), the comet is 5.700 × 1012 m from the sun and moves with a speed of 10.00 km/s. what is the comet's speed at its perihelion (closest approach to the sun) where its distance from the sun is 8.800 × 1010 m? the mass of the sun is 1.987 × 1030 kg.
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