Kenia892 Kenia892

03-02-2017
Physics

contestada

Landing with a speed of 81.9 m/s, and traveling due south, a jet comes to rest in 949m. Assuming the jet slows with constant acceleration, find the magnitude and direction of its acceleration.

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Brunocas Brunocas

03-02-2017

v² = v²o + 2a(x - xo) → a = (v² - v²o)/(2(x - xo)) = (0² - (81.9 m/s)²)/(2(949 m)) = -3.53 m/s² → 3.53 m/s² to the north

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