Suppose that a car traveling to the west (-x direction) begins to slow down as it approaches a traffic light. Which statement concerning its acceleration must be correct?
A) Its acceleration is zero.
B) Its acceleration is negative.
C) Its acceleration is decreasing in magnitude as the car slows down.
D) Its acceleration is positive.

Question

Quizplus · Accepted Answer

Since the car is slowing down while traveling west (negative direction), its acceleration is in the opposite direction (east or positive direction) to decrease its velocity.

Suppose That a Car Traveling to the West (-X Direction)