UNDERSTANDING THE UNIVERSE(LL)-W/CODE
3rd Edition
ISBN: 9780393869903
Author: PALEN
Publisher: NORTON
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Chapter 3, Problem 29QAP
To determine
The error in the editor’s logic in the article.
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The Lunatik is a military spacecraft on extended patrol in the vicinity of the planet Eqrgp and its moon, with the mission of repelling Vegan invaders who threaten life on Eqrgp or on its moon. The Vegans' home base is on a planet of the star Vega. As it happens, Vegans are vegans, but still very vicious toward non‑Vegan life forms, especially non‑vegan ones. The captain of the Lunatik endangers his craft's vital mission by running out of fuel, leaving the Lunatik adrift in space, subject to the gravitational pulls of Eqrgp and its moon. Ignore the gravitational pulls of other bodies.
The Lunatik's navigator notices that for a short while the craft does not change its speed or direction. How far from the center of Eqrgp is the Lunatik at that time? The distance between the centers of Eqrgp and its moon is 3.03×108 m.3.03×108 m. The mass of Egrqp is 5.39×1024 kg5.39×1024 kg and the mass of its moon is 1.47×1023 kg.
A spacecraft with a mass of 5000kg is in circular orbit 2000km above the surface of mars. How much work must the spacecraft engines perform to move the spacecraft to a circular orbit that is 4000km above the surface? (hint Total Energy = Ep+ Ek)
Chapter 3 Solutions
UNDERSTANDING THE UNIVERSE(LL)-W/CODE
Ch. 3.1 - Prob. 3.1CYUCh. 3.2 - Prob. 3.2CYUCh. 3.3 - Prob. 3.3CYUCh. 3.4 - Prob. 3.4CYUCh. 3.5 - Prob. 3.5CYUCh. 3 - Prob. 1QAPCh. 3 - Prob. 2QAPCh. 3 - Prob. 3QAPCh. 3 - Prob. 4QAPCh. 3 - Prob. 5QAP
Ch. 3 - Prob. 6QAPCh. 3 - Prob. 7QAPCh. 3 - Prob. 8QAPCh. 3 - Prob. 9QAPCh. 3 - Prob. 10QAPCh. 3 - Prob. 11QAPCh. 3 - Prob. 12QAPCh. 3 - Prob. 13QAPCh. 3 - Prob. 14QAPCh. 3 - Prob. 15QAPCh. 3 - Prob. 16QAPCh. 3 - Prob. 17QAPCh. 3 - Prob. 18QAPCh. 3 - Prob. 19QAPCh. 3 - Prob. 20QAPCh. 3 - Prob. 21QAPCh. 3 - Prob. 22QAPCh. 3 - Prob. 23QAPCh. 3 - Prob. 24QAPCh. 3 - Prob. 25QAPCh. 3 - Prob. 26QAPCh. 3 - Prob. 27QAPCh. 3 - Prob. 28QAPCh. 3 - Prob. 29QAPCh. 3 - Prob. 30QAPCh. 3 - Prob. 31QAPCh. 3 - Prob. 32QAPCh. 3 - Prob. 33QAPCh. 3 - Prob. 34QAPCh. 3 - Prob. 35QAPCh. 3 - Prob. 36QAPCh. 3 - Prob. 37QAPCh. 3 - Prob. 38QAPCh. 3 - Prob. 39QAPCh. 3 - Prob. 40QAPCh. 3 - Prob. 41QAPCh. 3 - Prob. 42QAPCh. 3 - Prob. 43QAPCh. 3 - Prob. 44QAPCh. 3 - Prob. 45QAP
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