ch13-p051 - 51. (a) The period of the comet is 1420 years...

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51. (a) The period of the comet is 1420 years (and one month), which we convert to T = 4.48 × 10 10 s. Since the mass of the Sun is 1.99 × 10 30 kg, then Kepler’s law of periods gives 2 10 2 3 13 11 3 2 30 4 (4.48 10 s) 1.89 10 m. (6.67 10 m /kg s )(1.99 10 kg) aa π §· ×= ¡ ¨¸ ×⋅ × ©¹ (b) Since the distance from the focus (of an ellipse) to its center is ea and the distance
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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