College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:towards the planet? (c) What is the acceleration of the planet
towards the moon?
from the rise on
The International Space Station has a mass of 4.19 × 105 kg
and orbits at a radius of 6.79 x 106 m from the center of
Earth. Find (a) the gravitational force exerted by Earth on the
space station, (b) the space station's gravitational potential
energy, and (c) the weight of an 80.0-kg astronaut living inside
the station.
F
A coordinate system (in meters) is constructed on the surface
of a pool table, and three objects are placed on the table as
of the coordinate system,
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- 3. (a) At which of the indicated positions does the satellite in elliptical orbit experience the greatest gravitational force? (b) Have the greatest speed? (c) The greatest velocity? (d) The greatest momentum? (e) The greatest KE? (f) The greatest gravitational PE? (g) The greatest total mechanical energy?arrow_forwardA spacecraft is launched from Cape Canaveral to a 28.5° inclined circular orbit of altitude h = 400 km. We want to reach the ISS, which orbit has the same altitude but is inclined at 51.6°. Explain what solutions are possible for this operation, and determine (using calculations) which is the most economical.arrow_forwardIf you are going to launch a 10,000 kg spacecraft from Earth, (a) how much kinetic energy it must possess in order to escape the gravitational pull? (b) If the mass is reduced by 5,000 kg, how much kinetic energy is required?arrow_forward
- A satellite is in orbit above a planet. Which of the following is TRUE? 1. The total energy of the satellite is positive 2. The kinetic energy and GPE of the satellite is negative 3. The kinetic energy and GPE of the satellite is positive 4.The total energy and GPE of the satellite is negativearrow_forwardA 986-kg satellite orbits the Earth at a constant altitude of 101-km. (c) What is the change in the system's potential energy?arrow_forward(a) Calculate the work (in MJ) necessary to bring a 105 kg object to a height of 1004 km above the surface of the Earth. MJ (b) Calculate the extra work (in J) needed to launch the object into circular orbit at this height.arrow_forward
- What is the height of an object that has a mass of 3.50 kg and a gravitational potential energy of 546 J? Select one: O a. b. 15.9 m 156 m C. 1530 m O d. 1911 marrow_forwardFor a satellite to orbit Earth at a constant distance, its centripetal acceleration must be equal to Earth's gravitational acceleration. If a satellite is to orbit with a constant circular radius of 7,500,000 m, what is the approximate required velocity of the satellite? (Recall that Earth has a mass of 5.97 x 1024 kg and G = 6.67 x 107 11 N•m²/kg?) A. 6143 m/s B. 6562 m/s C. 8452 m/s D. 7287 m/sarrow_forward
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