Question Solved1 Answer 12-29. Two cars A and B start from rest at a stop line. Car A has a constant acceleration of a = 8 m/s2, while car B has an acceleration of ap = (213/2) m/s2, where t is in seconds. Determine the distance between the cars when A reaches a velocity of v = 120 km/h.

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Transcribed Image Text: 12-29. Two cars A and B start from rest at a stop line. Car A has a constant acceleration of a = 8 m/s2, while car B has an acceleration of ap = (213/2) m/s2, where t is in seconds. Determine the distance between the cars when A reaches a velocity of v = 120 km/h.
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Transcribed Image Text: 12-29. Two cars A and B start from rest at a stop line. Car A has a constant acceleration of a = 8 m/s2, while car B has an acceleration of ap = (213/2) m/s2, where t is in seconds. Determine the distance between the cars when A reaches a velocity of v = 120 km/h.
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v2 final velocity of car A =120kmph = 120/3.6m/s=33.33 total time travelled by car A = total time travelled by car B v=u+at u=0 v=33.33m/s a=8m/s^2 t=33.33/8=4.1665secf final velocity v2 of car B = integral dt of 2t^3/2 =4/5t^5/2 ... See the full answer