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 positive.
B)Its acceleration is negative.
C)Its acceleration is zero.
D)Its acceleration is decreasing in magnitude as the car slows down.

Question

Quizplus · Accepted Answer

Since the car is slowing down in the -x direction (to the west), its acceleration is in the opposite direction (east or +x direction) to decelerate, making it positive.

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