Question

N the definition of velocity, what physical quantity is changing over time?

a) Distance.

b) Speed.

c) Displacement.

d) Acceleration.

Answer 1

Acceleration is the physical quantity that is changing over time in the definition of velocity.

Step-by-step explanation:

Acceleration, a, is defined as a change in velocity, meaning a change in its magnitude or direction, or both. Therefore, the physical quantity that is changing over time in the definition of velocity is acceleration (option d).