Physics, 09.09.2021 07:50, Jasten

A rocket was flying at 50 [m/s]. Then they fire up the engines and it accelerates at 4 [m/s/s]. How much time does it take for the rocket to reach a final speed of 80 [m/s]?

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A rocket was flying at 50 [m/s]. Then they fire up the engines and it accelerates at 4 [m/s/s]. Ho...