38_Dynamics 11ed Manual - s = 0. Given: t 1 10 s = t 2 30 s...

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Engineering Mechanics - Dynamics Chapter 12 0 5 10 15 20 25 30 0 5 10 Time in seconds Acceleration in ft/s^2 a 1 τ 1 () a 2 2 () 1 2 , a max 2 v 1 t 1 2 t 1 = a max 8 ft s 2 = Problem 12-50 The v-t graph for the motion of a car as it moves along a straight road is shown. Draw the s-t graph and determine the average speed and the distance traveled for the time interval 0 < t < t 2 . The car starts from rest at
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Unformatted text preview: s = 0. Given: t 1 10 s = t 2 30 s = v 1 40 ft s = v 2 60 ft s = Solution: The graph 1 0 0.01 t 1 , t 1 .. = s 1 1 ( ) v 1 t 1 2 1 3 3 1 ft = 2 t 1 1.01 t 1 , t 2 .. = s 2 2 ( ) v 1 t 1 3 v 1 2 t 1 − ( ) + v 2 v 1 − t 2 t 1 − 2 t 1 − ( ) 2 2 + ⎡ ⎢ ⎣ ⎤ ⎥ ⎦ 1 ft = 36...
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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