Question

12. Which of the following statements is accurate?

A. If an object's velocity is changing, it's experiencing either acceleration or deceleration.
B. If an object's velocity decreases, then the object is accelerating
C. If an objects said to be decelerating, its velocity must be increasing,
D. If an object's velocity remains constant, its acceleration must be increasing.

Answer 1

a

Step-by-step explanation:

Answer 2

Option (a) is correct

Step-by-step explanation:

The acceleration of an object is defined as the rate of change of velocity. Mathematically, it can be written as :

`a=(v-u)/(t)`

Where

v and u are final and initial velocity

It is clear that if there is some change in velocity, it means the object is experiencing either acceleration or deceleration. Hence, the correct option is (a).