84_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 12 At B : t 2 h g = v x v A = v y gt = θ atan v y v x = v B v x 2 v y 2 + = a Bn g cos () = ρ B v B 2 a Bn = B 8510ft = Problem 12-113 The automobile is originally at rest at s = 0. If its speed is increased by d v /d t = bt 2 , determine the magnitudes of its velocity and acceleration when t = t 1 . Given: b 0.05 ft s 4 = t 1 18 s = 240 ft = d 300 ft = Solution: a t1 bt 1 2 = a t1 16.2 ft s 2 = v 1 b 3 t 1 3 = v 1 97.2 ft s = s 1 b 12 t 1 4 = s 1 437.4 ft = If s 1 437.4 ft
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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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