Under what condition is average velocity equal to the average of the object's initial and final velocity?
A) The acceleration is constant.
B) The acceleration must be constantly increasing.
C) This can occur only when the velocity is zero.
D) This can only occur if there is no acceleration.
E) The acceleration must be constantly decreasing.

Question

Quizplus · Accepted Answer

Average velocity is equal to the average of the object's initial and final velocity when the acceleration is constant. This is derived from the equation for average velocity under constant acceleration, $v_{avg} = \frac{v_i + v_f}{2}$, where $v_i$ is the initial velocity, $v_f$ is the final velocity, and $v_{avg}$ is the average velocity.

Under What Condition Is Average Velocity Equal to the Average