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A car in stop-and-go traffic starts at rest, moves forward 19 m in 8.0 seconds, then comes to rest again. The velocity-versus-time plot for this car...

A car in stop-and-go traffic starts at rest, moves forward 19 m in 8.0 seconds, then comes to rest again. The velocity-versus-time plot for this car is given in the figure .

1.) What distance does the car cover in the first 4.0 seconds of its motion?
Express your answer using two significant figures.

2.) What distance does the car cover in the last 2.0 seconds of its motion?
Express your answer using two significant figures.

3.) What is the constant speed V that characterizes the middle portion of its motion?
Express your answer using two significant figures.

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