1. A planet with a mass of 7.5 x 1025 kg moves around a 9.5 x 1031 kg star in a perfectly circular orbit with a radius of 9.3 x 107 km. The universal gravitational constant is G = 6.67 x 1011 m3 kg' s2. a. What is the magnitude of the force of gravity that the star exerts on the planet?10. b. What is the speed of the planet's orbit around the star, in units of km/s? c. What is the period of the planet's orbit around the star, in Earth days?
1. A planet with a mass of 7.5 x 1025 kg moves around a 9.5 x 1031 kg star in a perfectly circular orbit with a radius of 9.3 x 107 km. The universal gravitational constant is G = 6.67 x 1011 m3 kg' s2. a. What is the magnitude of the force of gravity that the star exerts on the planet?10. b. What is the speed of the planet's orbit around the star, in units of km/s? c. What is the period of the planet's orbit around the star, in Earth days?
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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