Physics

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The Early Bird communication satellite hovers over the same point on Earth's equator indefinitely, ... Started by BrownTown3	1 Replies 54 Views	Jul 29, 2018 by Kdiggy
Acceleration is greater for a satellite when it is at the A) apogee (farthest point). B) perigee ... Started by Mollykgkg	1 Replies 48 Views	Jul 29, 2018 by bob
The force of gravity does work on a satellite when it is in A) circular orbit. B) elliptical ... Started by lunatika	1 Replies 80 Views	Jul 29, 2018 by GCabra
Compared with the period of satellites in close Earth orbit, the period of satellites orbiting far ... Started by theo	3 Replies 93 Views	Jul 29, 2018 by flannelavenger
Project a cannonball from atop Newton's hypothetical mountain at 8 km/s and it orbits Earth. Project ... Started by OSWALD	1 Replies 22 Views	Jul 29, 2018 by morganmarie791
A satellite in an elliptical orbit about a planet travels much faster when it is directly over a ... Started by bucstennis@aim.com	1 Replies 45 Views	Jul 29, 2018 by diesoon
The kinetic energy of a planet is maximum when it is A) closest to the Sun. B) farthest from the ... Started by folubunmi	1 Replies 31 Views	Jul 29, 2018 by asdfghjkl;
When Kepler devised his laws of planetary motion, he was most influenced by A) Galileo. B) ... Started by jho37	3 Replies 121 Views	Jul 29, 2018 by sierrahalpin
Both Newton and Kepler considered forces on the planets. Kepler mistakenly hypothesized the ... Started by CBme	1 Replies 57 Views	Jul 29, 2018 by jaygar71
The conservation of energy applies to satellites in A) circular orbit. B) elliptical orbit. C) ... Started by LaDunn	1 Replies 141 Views	Jul 29, 2018 by Kdiggy
Rockets that launch satellites into orbit need less thrust when fired from A) Cape Canaveral in ... Started by arivle123	1 Replies 91 Views	Jul 29, 2018 by bassamabas
According to Kepler, the line from the Sun to any planet sweeps out equal areas of space A) with ... Started by Kthamas	3 Replies 80 Views	Jul 29, 2018 by zenzy
Angular momentum is greater for a satellite when it is at the A) apogee (farthest point). B) ... Started by maychende	1 Replies 36 Views	Jul 29, 2018 by hollysheppard095
Escape speed from the Sun is A) about the same as from Earth. B) very much greater than for ... Started by xroflmao	1 Replies 21 Views	Jul 29, 2018 by Leostella20
A rocket coasts in an elliptical orbit about Earth. To attain escape velocity using the least amount ... Started by mikaylakyoung	1 Replies 19 Views	Jul 29, 2018 by mcabuhat
Angular momentum is conserved for a satellite in A) circular orbit. B) elliptical orbit. C) ... Started by darbym82	3 Replies 77 Views	Jul 29, 2018 by Dnite
A projectile that is fired vertically from the surface of Earth at 5 km/s will A) go into ... Started by pragya sharda	1 Replies 37 Views	Jul 29, 2018 by ApricotDream
Which would require the greater change in a satellite's orbital speed (8 km/s); slowing down so it ... Started by futuristic	1 Replies 99 Views	Jul 29, 2018 by blakeserpa
A granite block is mostly empty space because the atoms in the granite are A) in perpetual ... Started by deesands	1 Replies 566 Views	Jul 29, 2018 by ashely1112
The speed of a satellite orbiting Earth is given by v = (GM/d). Escape speed from Earth is given by ... Started by imowrer	3 Replies 92 Views	Jul 29, 2018 by Pariscourtney
Brownian motion is caused by A) thermal agitation. B) perpetual motion. C) particles larger ... Started by Garrulous	1 Replies 51 Views	Jul 29, 2018 by Dominic
Which of these investigators did NOT contribute to our knowledge of atoms? A) Aristotle B) John ... Started by tuffie	1 Replies 36 Views	Jul 29, 2018 by mtmmmmmk
Compared to the atoms that make up the body of an elderly person, the atoms that make up the body of ... Started by SAVANNAHHOOPER23	1 Replies 72 Views	Jul 29, 2018 by lorealeza77
Compared with a solid steel bar having a rectangular cross-section, an I-beam has the advantage of ... Started by a0266361136	3 Replies 99 Views	Jul 29, 2018 by vboyd24
The element gold contains A) gold atoms. B) atoms that combine to produce gold. C) gold atoms ... Started by lbcchick	1 Replies 101 Views	Jul 29, 2018 by recede