The distance d in meters from which a person can see a stop sign is given by
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The distance d in meters from which a person can see a stop sign is given by the formula D = d/30. (where D is the diameter of the stop sign in meters). Assume it takes a person one second to step on the brakes after seeing the stop sign. Assume that the brakes decelerate the car at a rate of -5.0 m/s2. If the speed limit is 15. m/s, what should the diameter of the stop sign be?
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The diameter of the stop sign should be 225 meters Explanation We can use the formula d ...View the full answer
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Authors: Philip Kosky, George Wise, Robert Balmer, William Keat
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