Determine whether the speed of the object is increasing, decreasing, or constant at the given point.
A) increasing
B) decreasing
C) constant

Question

Determine whether the speed of the object is increasing, decreasing, or constant at the given point. 
A) increasing 
B) decreasing 
C) constant

Quizplus · Accepted Answer

Based on the given information, there is a change in direction of the velocity vector at the given point. Since the acceleration is perpendicular to the velocity, this means that the speed is decreasing. Therefore, the correct choice is B) decreasing.

Determine Whether the Speed of the Object Is Increasing, Decreasing