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Physics, 10.10.2019 20:00 deadpoolcorvettehats

Amodel engine accelerated forward from rest along a straight track at 10.0 m/s2 for 3.0 seconds. it then accelerates coward at 16 m/s2 for 5.0 seconds, and finally decelerates at 12 m/s2 until it stops. calculate how many seconds was the engine moving ?

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Amodel engine accelerated forward from rest along a straight track at 10.0 m/s2 for 3.0 seconds. it...
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