Answer:
115.3 is the direction of the vector. Just learned some physics to get this answer over the past 3 hrs
Answer:
Acceleration is the rate of change of velocity.
When the velocity of an object does not change, i.e., when the velocity is constant, the acceleration is <em>zero</em>.
Mathematically (differential form),

<h3><u>Zero</u> is the right answer.</h3>