UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER
11th Edition
ISBN: 9781319278670
Author: Freedman
Publisher: MAC HIGHER
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Chapter 4, Problem 23CC
To determine
Whether it would be possible to discover a new planet around other stars with the same mass as Earth and a lower escape speed from its surface than Earth.
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An object of mass m is launched from a planet of mass M and radius R.
Calculate this minimum launch speed (called the escape speed), in meters per second, for a planet of mass M = 2 × 1023 kg and R = 78 × 102 km.
For a planet of uniform density, how would the magnitude of the gravitational field halfway to the center compare with the field at the surface?
What would happen to an orbiting planet if the gravitational forces cease to act on it?
Chapter 4 Solutions
UNIVERSE LL W/SAPLINGPLUS MULTI SEMESTER
Ch. 4 - Prob. 1CCCh. 4 - Prob. 2CCCh. 4 - Prob. 3CCCh. 4 - Prob. 4CCCh. 4 - Prob. 5CCCh. 4 - Prob. 6CCCh. 4 - Prob. 7CCCh. 4 - Prob. 8CCCh. 4 - Prob. 9CCCh. 4 - Prob. 10CC
Ch. 4 - Prob. 11CCCh. 4 - Prob. 12CCCh. 4 - Prob. 13CCCh. 4 - Prob. 14CCCh. 4 - Prob. 15CCCh. 4 - Prob. 16CCCh. 4 - Prob. 17CCCh. 4 - Prob. 18CCCh. 4 - Prob. 19CCCh. 4 - Prob. 20CCCh. 4 - Prob. 21CCCh. 4 - Prob. 22CCCh. 4 - Prob. 23CCCh. 4 - Prob. 24CCCh. 4 - Prob. 1CLCCh. 4 - Prob. 2CLCCh. 4 - Prob. 1QCh. 4 - Prob. 2QCh. 4 - Prob. 3QCh. 4 - Prob. 4QCh. 4 - Prob. 5QCh. 4 - Prob. 6QCh. 4 - Prob. 7QCh. 4 - Prob. 8QCh. 4 - Prob. 9QCh. 4 - Prob. 10QCh. 4 - Prob. 11QCh. 4 - Prob. 12QCh. 4 - Prob. 13QCh. 4 - Prob. 14QCh. 4 - Prob. 15QCh. 4 - Prob. 16QCh. 4 - Prob. 17QCh. 4 - Prob. 18QCh. 4 - Prob. 19QCh. 4 - Prob. 20QCh. 4 - Prob. 21QCh. 4 - Prob. 22QCh. 4 - Prob. 23QCh. 4 - Prob. 24QCh. 4 - Prob. 25QCh. 4 - Prob. 26QCh. 4 - Prob. 27QCh. 4 - Prob. 28QCh. 4 - Prob. 29QCh. 4 - Prob. 30QCh. 4 - Prob. 31QCh. 4 - Prob. 32QCh. 4 - Prob. 33QCh. 4 - Prob. 34QCh. 4 - Prob. 35QCh. 4 - Prob. 36QCh. 4 - Prob. 37QCh. 4 - Prob. 38QCh. 4 - Prob. 39QCh. 4 - Prob. 40QCh. 4 - Prob. 41QCh. 4 - Prob. 42QCh. 4 - Prob. 43QCh. 4 - Prob. 44QCh. 4 - Prob. 45QCh. 4 - Prob. 46QCh. 4 - Prob. 47QCh. 4 - Prob. 48QCh. 4 - Prob. 49QCh. 4 - Prob. 50QCh. 4 - Prob. 51QCh. 4 - Prob. 52QCh. 4 - Prob. 53QCh. 4 - Prob. 54QCh. 4 - Prob. 55QCh. 4 - Prob. 56QCh. 4 - Prob. 57QCh. 4 - Prob. 58Q
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- Is it possible to escape the force of gravity by going into orbit around Earth? How does the force of gravity in the International Space Station (orbiting an average of 400 km above Earth’s surface) compare with that on the ground?arrow_forwardAfter Cares was promoted to a dwarf planet, we now recognize the largest known asteroid to be Vesta, with a mass of 2.671020kg and a diameter ranging from 578 km to 458 km. Assuming that Vesta is spherical with radius 520 km, find the approximate escape velocity from its surface.arrow_forwardIf the gravitational field strength at the surface of Venus is g, at what distance from the surface of Venus will it be 0.25g? State your answer in terms of the radius of Venus.arrow_forward
- It has been hypothesized that there may be another planet in the Solar System nicknamed Planet X which may orbit about 600 Astronomical Units from the Sun. - If Planet X exists, how long would it take to orbit the Sun once?arrow_forwardAn object of mass mm is launched from a planet of mass M and radius R. Calculate this minimum launch speed (called the escape speed), in meters per second, for a planet of mass M=5.38×1023kg and R=83.2×103km. V= ( 2 G M/R )0.5=arrow_forwardYou can get from Earth to Mars by means of a Hohmann transfer orbit in 8 months. Based on what you know about Hohmann orbits, it should also be possible to make the same journey, also by Hohmann orbit, in 32 months 24 months 16 months 4 monthsarrow_forward
- If two planets have the same radius and one has a greater density (and hence a greater mass) than the other, then compared to the first planet the more massive planet a. a greater surface gravity b.the same surface gravity c. less surface gravity d. more information on the details of the planets are needed to answer this questionarrow_forwardEarth and Jupiter being separated by a distance = 5.88 x 10^11 m when they are closest a). Use Newton's Universal Gravitation equation to determine the gravitational force of attraction between earth and Jupiter at that distance given G= 6.7 x 10^-11 N x m^2/kg^2, mass of earth = 6 x 10^24 kg, mass of Jupiter = 1.9 x 10^27 kgarrow_forward
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