EBK UNDERSTANDING OUR UNIVERSE (THIRD E
EBK UNDERSTANDING OUR UNIVERSE (THIRD E
3rd Edition
ISBN: 9780393631760
Author: Blumenthal
Publisher: VST
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Chapter 14, Problem 36QAP
To determine

The Shift in wavelength of  Hα, Recession velocity of the galaxy and the Distance to the galaxy.

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Jack Sparrow and his crew snuck up on their enemies by submerging an upturned wooden rowboat and breathing in an air pocket in the upside-down boat's cavity.  What stupidly large force would be needed to hold such a boat underwater?  The total volume of the wood is 0.0686 m3 and the density of the boat is 380. kg/m3.  It will hold 5.28 m3 of air which has a density of 1.20 kg/m3.  The density of water is 1000. kg/m3.
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