University Physics (14th Edition)
14th Edition
ISBN: 9780133969290
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem Q13.16DQ
A communications firm wants to place a satellite in orbit so that it is always directly above the earth's 45th parallel (latitude 45° north). This means that the plane of the orbit will not pass through the center of the earth. Is such an orbit possible? Why or why not?
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A satellite is orbiting around a planet in a circular orbit. The radius of the orbit, measured from the center of the planet is R = 1.8 × 107 m. The mass of the planet is M = 4.8 × 1024 kg.
a)Express the magnitude of the gravitational force F in terms of M, R, the gravitational constant G, and the mass m of the satellite.
b)Express the magnitude of the centripetal acceleration ac of the satellite in terms of the speed of the satellite v, and R.
c) Express the speed v in terms of G, M and R.
A satellite is in a circular orbit around the Earth at an altitude of 4.00 x 106 m.
(a) Find the period of the orbit. (Hint: Modify Kepler's third law so it is suitable for objects orbiting the Earth rather than the Sun. The radius of the Earth is 6.38 x 106 m, and the mass of the Earth is 5.98 x 1024 kg.)________________ h(b) Find the speed of the satellite.___________________ km/s(c) Find the acceleration of the satellite.___________________ m/s2 toward the center of the earth
A satellite has a circular orbit at a distance 6654 kilometers from the center of the Earth. How long does the satellite take to complete one orbit about the Earth? The following numerical values may be helpful in this question.
G = 6.67 ∙10-11 N∙m2/ kg2
Earth’s mass = 5.98 · 1024 kilograms
g = 9.80 m/sec2
1 kilometer = 1000 meters
Chapter 13 Solutions
University Physics (14th Edition)
Ch. 13 - A student wrote: The only reason an apple falls...Ch. 13 - If all planets had the same average density, how...Ch. 13 - Is a pound of butler on the earth the same amount...Ch. 13 - Example 13.2 (Section 13.1) shows that the...Ch. 13 - When will you attract the sun more: today at noon,...Ch. 13 - Since the moon is constantly attracted toward the...Ch. 13 - Prob. Q13.7DQCh. 13 - A planet makes a circular orbit with period T...Ch. 13 - The sun pulls on the moon with a force that is...Ch. 13 - Which takes more fuel: a voyage from the earth to...
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