A planet has two small satellites in circular orbits around the planet. The first satellitehas a period 18.0 hours and an orbital radius 2.00 × 107 m. The second planet has an orbitalradius 3.00 x 107 m. What is the period of the second satellite?A) 60.8 hB) 12.0 hC) 33.1 hD) 9.80 hE) 27.0 h

Period of first satellite, T = 18 hours radius of first satellite, r = 2 x 107 m radius of second…

Answered: A planet has two small satellites in…

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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An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 20.0 days on average to complete one nearly circular revolution around the unnamed planet. If the distance from the center of the moon to the surface of the planet is 2.420 × 10° km and the planet has a radius of 4.100 × 10³ km, calculate the moon's radial acceleration a. a = m/s? & TOOLS x10
Which of the following statements cannot be supported by Kepler's laws of planetary motion? a The distance of a planet around the sun changes throughout its orbit. b The speed a planet is moving around the sun changes throughout the year. c The orbital period of Mercury can be calculated using the orbital period of Jupiter and the average distances of both planets. d The age of the four largest planets can be determined using the age of the four smallest planets and the average distances of each planet.
a) An object weights 4000 N on planet Alpha. Planet Alpha has 8 times the mass of planet Beta and 4 times the radius of planet Beta. What will the object weight on planet Beta? b) A 60 kg person is sitting on a bathroom scale while riding on a Ferris Wheel. The Ferris Wheel has a radius of 9 m and the person's speed is 3 m/s. Find the scale reading when the person is at the bottom of the motion.
Suppose an asteroid named Sparty has been discovered revolving around the Sun on a circular orbit with radius rs. Calculate the period of Sparty's orbit, in years. DATA for the orbit radii: Earth re 1.50×10¹¹ m; = Sparty rs = 2.75×1011 m; A: 2.482 B: 2.805 C: 3.170 D: 3.582 E: 4.047 OF: 4.574 G: 5.168 H: 5.840 Submit Answer Tries 0/99
3. Mars has a mass of 6.46 × 1023 kg and a radius of 3.39 × 10° m. a) Calculate the acceleration due to gravity on Mars. b) How much would a 65 kg person weigh on this planet?
Homework Statement The solar system is 25,000 light years from the center of our Milky Way galaxy. One light year is the distance light travels in one year at a speed of 3.0*10^8 m/s. Astronomers have determined that the solar system is orbiting the center of the galaxy at a speed of 230 km/s. A)Assuming the orbit is circular, what is the period of the solar system's orbit? Give your answer in years. B) Our solar system was formed roughly 5 billion years ago. How many orbits has it completed? c) The gravitational force on the solar system is the net force due to all the matter inside our orbit. Most of that matter is concentrated near the center of the galaxy. Assume that the matter has a spherical distribution, like a giant star. What is the approximate mass of the galactic center? D)Assume that the sun is a typical star with a typical mass. If galactic matter is made up of stars, approximately how many stars are in the center of the galaxy?
A planet has a mass of 3.840 x 10^24 kg and a radius of 5.31×10^3 km. (a) Determine the acceleration due to gravity at the surface of the planet. m/s2 (b) Determine the acceleration due to gravity at an altitude of 2.20×10^3 km above the surface of the planet. m/s2
The mass of a certain planet is 3.00 x 1026 kg. (a) The planet has a moon whose mean orbital radius is 2.90 x 108 m. What is the period of this moon? (b) The planet has a second moon whose period is 2.30 x 106 s. What is the mean orbital radius of this second moon? eBook
A satellite has an orbital radius 100 km above the Earth's surface. Earth has a mass pf 5.97x10^24kg and a radius of 6.38x10^6m. a. what is the speed of the satellite? b. How many minutes does it take the satellite to complete one orbit
mass of 5.98 x 1024 kg. The radius of Earth 11. Sally has a mass of 50.0 kg and Earth has a mass of 5.98 × 10 kg. The radius of Earth is 6.371 x 10 m. a. What is the force of gravitational attraction between Sally and Earth? b. What is Sally's weight?
What would be the magnitude of the acceleration due to gravity on the surface of the earth if the radius of the earth were reduced by 20%? a) 9.81 m/s2 b) 12.26 m/s2 c) 15.33 m/s2 d) 49.05 m/s2
A 100 lb astronaut goes to planet X with mass 7 times the mass of earth and radius 8 times the earth's radius. What is his weight on planet X? 140 lbs O 12.5 lbs 10.9 Ibs 80 lbs 87.5 lbs

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