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ISBN: 9780321541635 54

## Solution for problem 52P Chapter 26

Physics with MasteringPhysics | 4th Edition

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Problem 52P

Ptolemy’s Optics One of the many works published by the Greek astronomer Ptolemy (A.D. ca. 100–170) was Optics. In this book Ptolemy reports the results of refraction experiments he conducted by observing light passing from air into water. His results are as follows: angle of incidence = 10.0°, angle of refraction = 8.00°; angle of incidence = 20.0°, angle of refraction = 15.5°. Find the percentage error in the calculated index of refraction of water for each of Ptolemy’s measurements.

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Hydrofracturing Inserts a pipe in the ground that injects water and natural gas to break up rocks for gas  Fracking has been around since 1940 and is a mature method of secondary oil recovery  Its new use as primary method of developing tight gas and shale gas formation has caused some environmental concerns  In short: its all about the water Info...

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