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A car moves with a speed of 15.0 m/s. It accelerates with a rate of 2.0 m/s2 for 5.0seconds and then decelerates with a rate

A car moves with a speed of 15.0 m/s. It accelerates with a rate of 2.0 m/s2 for 5.0seconds and then decelerates with a rate of 3.0 m/s2 for 4.0 seconds. (a) What is the final velocity? (b) What is the total displacement

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