A satellite of mass mi rotates around Planet X with mass m2 in a circular orbit. The magnitude of the gravitational force is F = G™m, where G is a positive constant and r is the distance between the two masses. (i) What speed must the satellite have in order to orbit at a radius R? (ii) If at time t = 0, the satellite uses thrusters to move from the position (r = R, 0 = 0) to (r = 2R, 0 = 90°), how much work is done by gravity along the satellite's path?

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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A satellite of mass mi rotates around Planet X with mass m2 in a circular
orbit. The magnitude of the gravitational force is F = G™m, where G is a positive
constant and r is the distance between the two masses. (i) What speed must the satellite
have in order to orbit at a radius R? (ii) If at time t = 0, the satellite uses thrusters to
move from the position (r = R, 0 = 0) to (r = 2R, 0 = 90°), how much work is done by
gravity along the satellite's path?
aw
R
m2
pplication
Transcribed Image Text:A satellite of mass mi rotates around Planet X with mass m2 in a circular orbit. The magnitude of the gravitational force is F = G™m, where G is a positive constant and r is the distance between the two masses. (i) What speed must the satellite have in order to orbit at a radius R? (ii) If at time t = 0, the satellite uses thrusters to move from the position (r = R, 0 = 0) to (r = 2R, 0 = 90°), how much work is done by gravity along the satellite's path? aw R m2 pplication
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