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1. An automobile accelerates from rest at

1.7 m/s2 for 22 s. The speed is then held

constant for 29 s, after which there is an ac-

celeration of −5.8 m/s2 until the automobile

stops.

What total distance was traveled?

Answer in units of km

2. A speedboat increases in speed from 19.3 m/s

to 34.2 m/s in a distance 202 m.

Find the magnitude of its acceleration.

Answer in units of m/