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 DarkFire0604
  • 11-09-2018

Hmm 70m/s per hour....

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