Physics, 20.03.2021 23:40, bellam302

At a certain time a particle had a speed of 86 m/s in the positive x direction, and 5.2 s later its speed was 25 m/s in the opposite direction. What was the average acceleration of the particle during this 5.2 s interval?

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At a certain time a particle had a speed of 86 m/s in the positive x direction, and 5.2 s later its...