phys203 - homework 1_Solutions

phys203 - homework 1_Solutions - Homework 1 1 Thousands of...

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Homework 1 1. Thousands of years ago many cultures created and assigned gods to varying natural phenomena on Earth. There was a god of the sun, the moon, love, etc. Many people believed that Zeus, one of the most powerful gods of them all, could throw lightning bolts, and that the occurrence of lightning on earth was in fact caused by this higher being. The rational explanation for the existence and occurrence of lighting lies in simple physics and electricity. Basically, lightning is an atmospheric discharge of electricity created by the collision and interaction of atoms. 2. There would be reason to debate the shape of the earth because people needed explanations regarding the varying positions of the sun when it rises and sets, about water travel and the horizon, and finally about how people residing on the southern hemisphere remained on earth, if there was in fact a southern hemisphere. Thales believed that there was a fundamental substance behind everything in the universe, and
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phys203 - homework 1_Solutions - Homework 1 1 Thousands of...

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