Chapter 2 Problems

t (s) 0 1.0 2.0 3.0 4.0 5.0 x (m) 0 2.3 9.2 20.7 36.8 57.5 2. (a) Sand dunes in a desert move over time as sand is swept up the windward side to settle in the lee side. Such “walking” dunes have been known to walk 20 feet in a year and can travel as much as 100 feet per year in particularly windy times. ................
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