The acceleration of a car is given by a = [ (3t^3 + 4t)i  + 6tj + (8t – 5)k ] m/s^2.  D

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Chapter4: Forces In One Dimension
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The acceleration of a car is given by a = [ (3t^3 + 4t)i  + 6tj + (8t – 5)k ] m/s^2.  Determine the magnitude of its velocity when t = 3s.  When t = 0 s, vx = 2 m/s, vy = 3 m/s and vz = 5 m/s
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