Question: Review Conceptual Example 6 as background for this problem. A car is traveling to the left, which is the negative direction. The direction of travel

Review Conceptual Example 6 as background for this problem. A car is traveling to the left, which is the negative direction. The direction of travel remains the same throughout this problem. The car’s initial speed is 27.0 m/s, and during a 5.0-s interval, it changes to a final speed of

(a) 29.0 m/s

(b) 23.0 m/s.

In each case, find the acceleration (magnitude and algebraic sign) and state whether or not the car is decelerating.

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