Physics

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In the Ptolemaic model, Mercury and Venus had to be treated differently from the rest of the ... Started by mpobi80	3 Replies 172 Views	Jul 27, 2018 by jojobee318
Galileo's observations of the complete set of the phases of Venus proved that: A) Venus orbited ... Started by Alygatorr01285	1 Replies 122 Views	Jul 27, 2018 by pocatato
An object's _____ is the force that Earth's gravity exerts on the object. A) mass B) density ... Started by Mollykgkg	1 Replies 152 Views	Jul 27, 2018 by thall411
Kepler's second law of planetary motion states that: A) a planet moves at its greatest speed when ... Started by sam.t96	1 Replies 159 Views	Jul 27, 2018 by joechoochoy
Which of the following is true of the eccentricity of an ellipse? A) It tells you the length of ... Started by tth	3 Replies 125 Views	Jul 27, 2018 by KKcool
The occasional backward motion of the planets against the background of fixed stars is called _____. ... Started by kshipps	1 Replies 68 Views	Jul 27, 2018 by EAN94
The diagram below shows three approximate locations of the sun along the western horizon. Which ... Started by abarnes	1 Replies 98 Views	Jul 27, 2018 by vickybb89
Which of the following is true of Galileo Galilei? A) He invented the telescope. B) He ... Started by gbarreiro	1 Replies 103 Views	Jul 27, 2018 by Kingjoffery
A(n) _____ is a closed curve around two points called the foci, such that the total distance from ... Started by neverstopbelieb	3 Replies 39 Views	Jul 27, 2018 by Cheesycrackers
The early astronomers imagined that the entire Universe was enclosed inside the celestial sphere ... Started by Zoey63294	1 Replies 87 Views	Jul 27, 2018 by xoxo123
Which of the following is true of Claudius Ptolemy? A) He was interested in philosophical rather ... Started by P68T	1 Replies 56 Views	Jul 27, 2018 by adammoses97
Which of the following was believed by Aristotle as a first principle? A) Earth was flat. B) ... Started by londonang	1 Replies 74 Views	Jul 27, 2018 by Sarahjh
Which of the following is true of Copernicus's model of the Universe? A) Each planet was treated ... Started by mckennatimberlake	3 Replies 92 Views	Jul 27, 2018 by mammy1697
Ancient philosophers and astronomers accepted without question-as first principles-that: A) ... Started by lunatika	1 Replies 59 Views	Jul 27, 2018 by isabelt_18
Claudius Ptolemy created an elaborate geometrical and mathematical model to explain details of the ... Started by mp14	1 Replies 52 Views	Jul 27, 2018 by gstein359
The semi-major axis of an ellipse is: A) the ratio of the distance between the two foci to the ... Started by awywial	1 Replies 101 Views	Jul 27, 2018 by potomatos
Which of the following was a belief of Copernicus? A) Earth rotated on its axis. B) Earth was ... Started by ashley	3 Replies 100 Views	Jul 27, 2018 by Kaytorgator
__________is a number between 1 and 0 that describes the shape of an ellipse. A) Acceleration ... Started by madam-professor	1 Replies 39 Views	Jul 27, 2018 by b614102004
The problem of the place of Earth was resolved by the _____. A) Aristotelian Revolution B) ... Started by Garrulous	1 Replies 47 Views	Jul 27, 2018 by zogaridan
Kepler's third law of planetary motion states that: A) orbital period is double the semi-major ... Started by segrsyd	1 Replies 72 Views	Jul 27, 2018 by hanadaa
Which of the following was the most imperfect region according to Aristotle's philosophy? A) The ... Started by burton19126	3 Replies 111 Views	Jul 27, 2018 by Bison
Which of the following was discovered by Galileo Galilei? A) The mountains and valleys on the ... Started by JMatthes	1 Replies 66 Views	Jul 27, 2018 by Eunice618
Sometimes, when a theory has been refined, tested, and confirmed so often that scientists have great ... Started by justinmsk	1 Replies 67 Views	Jul 27, 2018 by hugthug12
How is the geometry of an ellipse described? What will be an ideal ... Started by rl	1 Replies 65 Views	Jul 27, 2018 by miss.ashley
Discuss the discoveries of Galileo Galilei as reported in his bookSidereus Nuncius(The Starry ... Started by cmoore54	3 Replies 95 Views	Jul 27, 2018 by cam1229