A car is initially at rest. ten seconds later it is moving 30 m/s. what is the car's acceleration

The car's acceleration is

Explanation:

Constant Acceleration Motion

It's a type of motion in which the velocity of an object changes uniformly over time.

The final speed is given by:

Where a the constant acceleration, vo the initial speed, vf the final speed, and t the time, the following relation applies:

Using the equation above we can solve for a:

The car is initially at rest (vo=0) and t=10 seconds later it's moving at vf=30 m/s, thus its acceleration is:

The car's acceleration is

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