Suppose that a motorboat is moving at 40 ft=s when its motor suddenly quits, and that 10 s later the boat has slowed to 20 ft=s. Assume, as in Problem 2, that the re- sistance it encounters while coasting is proportional to its velocity. How far will the boat coast in all?
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You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.
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Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?
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Suppose that a motorboat is moving at 40 ft=s when its motor suddenly quits, and that 10 s later the...
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