free measurement. The

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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Question 5

Question 5.
The Hubble Space Telescope (HST) travels in a circular orbit above the Earth's atmosphere, allowing as-
tronomers to conduct aberration-free measurement. The HST has a mass of 11,110 kg.
(a) The HST completes one circular orbit around Earth in 5725 s. How high is its orbit above the surface
of the Earth?
(b) The HST is estimated to have a lifetime of about 15 more years before crashing into the earth due
to atmospheric drag. Estimate how much work the atmosphere does per circular orbit on the HST.
Assume the work done and the period are the same for each revolution (realistically both of these
quantities would change as the orbital radius decreased).
Transcribed Image Text:Question 5. The Hubble Space Telescope (HST) travels in a circular orbit above the Earth's atmosphere, allowing as- tronomers to conduct aberration-free measurement. The HST has a mass of 11,110 kg. (a) The HST completes one circular orbit around Earth in 5725 s. How high is its orbit above the surface of the Earth? (b) The HST is estimated to have a lifetime of about 15 more years before crashing into the earth due to atmospheric drag. Estimate how much work the atmosphere does per circular orbit on the HST. Assume the work done and the period are the same for each revolution (realistically both of these quantities would change as the orbital radius decreased).
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