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18. A comet's ion tail deviates 4° from the radial direction. It's transverse orbital velocity is 30 km s-1. What is the speed of the solar wind? Verify that the wind speed is superso- nic at 1 AU. Is it also super-alfvenic? Consider typical values at 1 AU.

18. A comet's ion tail deviates 4° from the radial direction. It's transverse orbital velocity is 30 km s-1. What is the speed of the solar wind? Verify that the wind speed is superso- nic at 1 AU. Is it also super-alfvenic? Consider typical values at 1 AU.

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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18. A comet's ion tail deviates 4° from the radial direction. It's transverse orbital velocity is 30 km s-1. What is the speed of the solar wind? Verify that the wind speed is superso- nic at 1 AU. Is it also super-alfvenic? Consider typical values at 1 AU.
Transcribed Image Text:18. A comet's ion tail deviates 4° from the radial direction. It's transverse orbital velocity is 30 km s-1. What is the speed of the solar wind? Verify that the wind speed is superso- nic at 1 AU. Is it also super-alfvenic? Consider typical values at 1 AU.
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