If a car starts from rest (initial velocity of 0 m/s) and reaches a velocity of 8 m/s in 4 seconds, we can calculate the car's acceleration using the formula:
Acceleration = (Final Velocity - Initial Velocity) / Time
Substituting the values into the equation:
Acceleration = (8 m/s - 0 m/s) / 4 s Acceleration = 8 m/s / 4 s Acceleration = 2 m/s²
Therefore, the car has an acceleration of 2 m/s².