# What speed does the car gain when accelerating with an acceleration of 0.4 m / s2 for 10 s

August 27, 2021 | education

| **What speed does the car gain when accelerating with an acceleration of 0.4 m / s2 for 10 s if the initial speed of the car was 10 m / s**

Ten seconds after acceleration, the car will acquire a speed equal to v = at, a – acceleration, t time.

In our case, it will be – 0.4 m / s² * 10 s = 4 m / s.

The formula for the total speed for uniformly accelerated motion is determined by the formula – v = v start + at, where v start is the initial speed, a is the acceleration, t is the time.

The initial speed of our car is given to us as 10 m / s.

Therefore, during acceleration, 10 seconds after its start, the speed of our car will be equal to – 10 m / s + 4 m / s = 14 m / s.

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