An object is at x = -3 m and has a velocity of 4 m/s.It is observed to be slowing down.Its acceleration is
A)positive.
B)negative.
C)zero.
D)negative until the object stops and then positive.
E)impossible to determine based on the information provided.

Question

Quizplus · Accepted Answer

The observation that the object is slowing down indicates that its velocity and acceleration are in opposite directions. Since the velocity is in the negative direction (to the left), the acceleration must be in the positive direction (to the right), which means that the answer is (B) negative.

An Object Is at X = -3 M and Has