09_1090_hw5

# 09_1090_hw5 - Physics 1090 Homework #5 Due Thursday,...

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Physics 1090 Homework #5 Due Thursday, October 15, 2:00 pm Reading assignment : Chapters 10 - 13 of the notes . 1. Some years ago, a very attractive photograph of the Rotunda viewed from the middle of the Lawn was on sale, it was night and the full Moon was visible quite close to the Rotunda, so the shape of the Rotunda echoed the Moon. How could you prove this photo was a fake? 2. Recreate al-Khwarizmi’s argument to solve x 2 = 10 x + 39, draw a diagram and explain your work. 3. Here is a picture of a sundial: The rod is parallel to the Earth’s axis. Describe carefully how the movement of the Sun through the sky shows the time on this sundial—in particular, it must read 12 one hour after it reads 11, right? Are you sure the sun’s moving in the right direction for this thing to work? 4. Galileo showed off his new telescope to the Doge from the Campanile in Venice, pictured here:

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Estimate the distance to the horizon as seen from the observation point on the Campanile. ( How to do this
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## This note was uploaded on 03/02/2012 for the course PHYS 109 taught by Professor Fowler during the Fall '08 term at UVA.

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09_1090_hw5 - Physics 1090 Homework #5 Due Thursday,...

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