Asked by Sara

A car is traveling due west at 20m/s.find the velocity of the car after 3s if it’s acceleration is 1m/s2 due East . Assume that the acceleration remains constant.
Answered by oobleck
what does acceleration mean?
Every second, the velocity increases by 1 m/s
So, after 3 seconds, it has increased by 3 m/s

But, the acceleration is in the opposite direction, so v decreases by 3 m/s
Answered by henry2,
V = Vo + a*T = -20 + 1*3 = ----m/s.
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