The figure shows the speedometer readings as a car drives down a straight road. (attached) a. What is the acceleration at t = 8.0s. b. What is the change in the cars speed from 5-10 seconds? c. What distance is traveled by the car between t = 0 and t = 4 s d. Draw a graph of the acceleration for the cars motion between t=0s and t=14s

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Q: position (m) 120 100 80 60 40 20 O 3 6 9 time (s) 12 15 18

A:

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A: Given: Average speed = 500 mph => 500 x 1.6 = 800 kph;

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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 –