A car traveling at 45 miles per hour is brought to a stop, at constant deceleration, 132 feet from where the brakes are applied. (a) How far has the car moved when its speed has been reduced to 30 miles per hour? (b) How far has the car moved when its speed has been reduced to 15 miles per hour? (c) Draw the real number line from 0 to 132. Plot the points found in parts (a) and (b). What can you conclude?

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –