page id: 131 Videosolution BF 13-012 Euler >  ME 203 Euler >  Restricted

BF 13-012 vs

Point Kinematics

Known Position

In a test of a prototype car, the driver starts the car from rest at t = 0, accelerates, and then applies the brakes. Engineers measuring the position of the car find that from t = 0 to t = 18 s the position is approximated by
s = (5 t<>2 + (1/3) t<>3 - (1/50) t<>4) ft

  1. What is the maximum velocity, and at what time does it occur?
  2. What is the maximum acceleration, and at what time does it occur?

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