In the past few years, major earthquakes have occurred in several countries around the world. In January 2010, an earthquake of magnitude 7.3 hit Haiti....

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This free textbook is an OpenStax resource written to increase student access to high-quality, peer-reviewed learning materials.

Consider the orbit of Earth around the Sun. Our year lasts approximately 365.25 days, but for this discussion we will use 365 days. On January 1 of each...

Review Exercises True or False? Justify your answer with a proof or a counterexample.

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Iceboats are a common sight on the lakes of Wisconsin and Minnesota on winter weekends. Iceboats are similar to sailboats, but they are fitted with runn...