Which of the following can be used to describe how fast an object is moving along with the direction of motion at a given instant of time?
A. Instantaneous velocity
B. Instantaneous speed
C. Average velocity
D. Average speed
Answer:A
Which of the following can be used to describe how fast an object is moving along with the direction of motion at a given instant of time?
A. Instantaneous velocity B. Instantaneous speed C. Average velocity D. Average speed