haileeross haileeross

05-09-2018
Physics

contestada

What was the initial speed of a car if its speed is 40 m/s after 5 seconds of accelerating at -4 m/s2? A. 20 m/s B. 50 m/s C. 60 m/s D. 25 m/s

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DarkFire0604 DarkFire0604

11-09-2018

Hmm 70m/s per hour....

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