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As usual, a drag coefficient of 0.5 is a reasonable guess. A cyclist going at a steady speed is
mostly working to keep drag from
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In a machine a cylinder with a mass of 80.0 g is pushed down into a hole with a spring at the
bottom as shown in Figure 1. When
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A very large roller coaster has an initial hill that has an 85 m drop. Note that a roller coaster has
no engine. After being
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