A certain object in space is accelerating. From this, it is known for certain that its speed
A) or its direction of travel is changing, or possibly both.
B) is changing.
C) and its direction of travel are both changing.
D) or its direction of travel is changing, but not both.

Question

Quizplus · Accepted Answer

Acceleration in physics refers to a change in velocity, which can mean a change in speed, a change in direction, or both.

A Certain Object in Space Is Accelerating