Physics, 29.10.2020 14:00, heintzelmanvp6ir6d

A car started its motion from rest and accelerated for 7 seconds, with the acceleration of 3 m/s2. Then it was moving with a constant velocity for 8 seconds. What was the velocity of the car after 7+8 seconds? PLEASE HELP ME

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A car started its motion from rest and accelerated for 7 seconds, with the acceleration of 3 m/s2. T...