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A dog running in an open field has components of velocity vx = 2.5 m/s and vy = -1.3 m/s at time t1 = 10.7 s . For the time interval from t1 = 10.7 s to t2 = 23.2 s , the average acceleration of the dog has magnitude 0.54 m/s2 and direction 25.0 ∘ measured from the +x−axis toward the +y−axis.

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