A Car Moving Along the X Direction Has Acceleration,a_x That

question 71

Multiple Choice

A car moving along the x direction has acceleration,a_x that varies with time as shown in the figure.At the moment,t = 0 s,the car is located at x = 12 m and has a velocity of 6 m/s in the positive x direction.What is the velocity of the car at t = 4.0 s?

• A)16 m/s
• B)15.6 m/s
• C)14.4 m/s
• D)0 m/s
• E)-12.7 m/s

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