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# HW12 - kuehner(rjk679 HW12 Mackie(20211 This print-out...

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kuehner (rjk679) – HW12 – Mackie – (20211) 1 This print-out should have 14 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points The period of the earth around the sun is 1 year and its distance is 150 million km from the sun. An asteroid in a circular orbit around the sun is at a distance 337 million km from the sun. What is the period of the asteroid’s orbit? Answer in units of year. 002 (part 2 of 2) 10.0 points What is the orbital velocity of the asteroid? Assume there are 365 days in one year. Answer in units of m / s. 003 (part 1 of 2) 10.0 points Given: G = 6 . 67259 × 10 11 N m 2 / kg 2 . A 722 kg geosynchronous satellite or- bits a planet similar to Earth at a radius 1 . 92 × 10 5 km from the planet’s center. Its angular speed at this radius is the same as the rotational speed of the Earth, and so they ap- pear stationary in the sky. That is, the period of the satellite is 24 h .

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