A cart starts from rest and accelerates at 4.0 m/s2 for 5.0 s, then maintain that velocity for 10 s, and then decelerates at the rate of 2.0 m/s2 for 4.0 s. What is the final speed of the car?

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A cart starts from rest and accelerates at 4.0 m/s<sup>2</sup> for 5.0 s, then maintain that velocity for 10 s, and then decelerates at the rate of 2.0 m/s<sup>2</sup> for 4.0 s. What is the final speed of the car?






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