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a motorcycle accelerates from rest at 5m/s^2 for 200m than decelerates at -3m/s^2 for 100m. What...

a motorcycle accelerates from rest at 5m/s^2 for 200m than decelerates at -3m/s^2 for 100m. What is the final velocity at the end of the total 300m? Find the total time.

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