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5) An object begins at rest; it starts to move according to the graph below (the graph plots velocity of the object vs time). a)

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5) An object begins at rest; it starts to move according to the graph below (the graph plots velocity of the object vs time). a) What is this object's acceleration in the interval 0 to 3 seconds? b) What is its acceleration in the interval 3 to 4 seconds? c) What is its average acceleration over the entire interval 0 to 5 seconds? (1) Is this object ever moving backwards? v (In/s)

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