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No. "Velocity" includes a magnitude and a direction. If any of the two are different, then the velocities are also different.
60km per hour west.
Velocity or speed. It means the car travels an average of 100km every hour. It equates to 62.14 miles per hour.
The change of velocity is 75 km/hr west.
if the velocity is constant, the acceleration is zero. The acceleration is the rate at which the velocity changes, so if it stays the same, the car isn't accelerating.