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6. Newton's law of gravitation states that the gravitational force between two bodies is A. Directly proportional to the distance between them B. Directly proportional to the square of the distance between them C. Inversely proportional to the distance between them D. Inversely proportional to the square of the distance between them

6. Newton's law of gravitation states that the gravitational force between two bodies is A. Directly proportional to the distance between them B. Directly proportional to the square of the distance between them C. Inversely proportional to the distance between them D. Inversely proportional to the square of the distance between them

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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ull TM 2:24 PM cdn.fbsbx.com Done C. The angular momentum decreases D. The angular momentum remains constant 6. Newton's law of gravitation states that the gravitational force between two bodies is A. Directly proportional to the distance between them B. Directly proportional to the square of the distance between them C. Inversely proportional to the distance between them D. Inversely proportional to the square of the distance between them What is the value of the acceleration due to gravity (g) of an object at an altitude equal to twice the radius 7. of the Earth? (G = 6.674x10-11 N · ", mgarth = 5.9724x1024kg, rɛarth = 6378x10³m) A. 1.093 m/s? В. 1.093 m/s? The Earth orbits the Sun at a distance of 1.496x1011m from center to center. What is the acceleration C. 1.390 m/s? D. 1.903 m/s? 8. m² due to gravity on the surface of the sun? (G = 6.674x10-11 N ·,msun = 1.989x1030 kg) A. 5.93x10-3 В. 0.26 C. 0.62 D. 5.3x10-3 9. Which of the following physical significance of gravitational field is TRUE? A. It is responsible t B. The mutual gravitational attraction between different parts of the sun compresses material at the sun's core to very high densities and temperatures, making it possible for nuclear reactions to generate the sun's energy output. C. Both A and B D. None of the above holding our earth together and for keeping the planets in orbit about the sun. 10. How much potential energy does a car gain if a crane lifts the car with a mass of 1,500 kg, 20 m straight up? A. 2.94 kJ В. 2.94х102 k/ С. 294) D. 294 000 kJ For Items 11- 13| A satellite wishes to orbit the earth at a height of 200 km above the surface of the earth. m2 G = 6.674x10-11 N mgarth = 5.9724x1024kg, rɛarth = 6378x10®m kg? Given the situation above, answer the following questions: 11. What is the orbital speed of the satellite? A. 7.84x103 "m В. 7.905х103 С. 7.85х103 т D. 9.53x103 12. What is the orbital acceleration of the satellite? A. 9.12 B. 9.21 С. 9,53 " D. 9.8 13. What is the orbital period of the satellite? A. 5 176 s В. 5167 s С. 5 309 s D. 5 390 s 14. From Kepler's Third Law, the period (P) squared divided by the cube of semi-major axis (d) is the same for all planets and is expressed as = k, where k is a constant. Which of the following can be interpreted based from Kepler's third law of motion? A. In the same amount of time, every planet orbits the sun. B. At the same distance from the sun, every planet orbits the sun. C. It takes more time to orbit the sun if the planets are farthest from the sun. D. It takes less time to orbit the sun if the planets are farthest from the sun.
Transcribed Image Text:ull TM 2:24 PM cdn.fbsbx.com Done C. The angular momentum decreases D. The angular momentum remains constant 6. Newton's law of gravitation states that the gravitational force between two bodies is A. Directly proportional to the distance between them B. Directly proportional to the square of the distance between them C. Inversely proportional to the distance between them D. Inversely proportional to the square of the distance between them What is the value of the acceleration due to gravity (g) of an object at an altitude equal to twice the radius 7. of the Earth? (G = 6.674x10-11 N · ", mgarth = 5.9724x1024kg, rɛarth = 6378x10³m) A. 1.093 m/s? В. 1.093 m/s? The Earth orbits the Sun at a distance of 1.496x1011m from center to center. What is the acceleration C. 1.390 m/s? D. 1.903 m/s? 8. m² due to gravity on the surface of the sun? (G = 6.674x10-11 N ·,msun = 1.989x1030 kg) A. 5.93x10-3 В. 0.26 C. 0.62 D. 5.3x10-3 9. Which of the following physical significance of gravitational field is TRUE? A. It is responsible t B. The mutual gravitational attraction between different parts of the sun compresses material at the sun's core to very high densities and temperatures, making it possible for nuclear reactions to generate the sun's energy output. C. Both A and B D. None of the above holding our earth together and for keeping the planets in orbit about the sun. 10. How much potential energy does a car gain if a crane lifts the car with a mass of 1,500 kg, 20 m straight up? A. 2.94 kJ В. 2.94х102 k/ С. 294) D. 294 000 kJ For Items 11- 13| A satellite wishes to orbit the earth at a height of 200 km above the surface of the earth. m2 G = 6.674x10-11 N mgarth = 5.9724x1024kg, rɛarth = 6378x10®m kg? Given the situation above, answer the following questions: 11. What is the orbital speed of the satellite? A. 7.84x103 "m В. 7.905х103 С. 7.85х103 т D. 9.53x103 12. What is the orbital acceleration of the satellite? A. 9.12 B. 9.21 С. 9,53 " D. 9.8 13. What is the orbital period of the satellite? A. 5 176 s В. 5167 s С. 5 309 s D. 5 390 s 14. From Kepler's Third Law, the period (P) squared divided by the cube of semi-major axis (d) is the same for all planets and is expressed as = k, where k is a constant. Which of the following can be interpreted based from Kepler's third law of motion? A. In the same amount of time, every planet orbits the sun. B. At the same distance from the sun, every planet orbits the sun. C. It takes more time to orbit the sun if the planets are farthest from the sun. D. It takes less time to orbit the sun if the planets are farthest from the sun.
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