Physics

Walter Howe

22 March, 22:04

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 25.6 m/s, and during a 8.48-second interval, it changes to a final speed of (a) 31.2 m/s and (b) 10.8 m/s. In each case, find the acceleration (magnitude and algebraic sign).

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