Asked by ABAINEH

21. Which of the following correctly differentiate between average speed and instantaneous speed? A. average speed is the speed at specific moment, while instantaneous speed calculated over the entire journey.
B. instantaneous speed is the maximum speed attained during a journey, while instantaneous speed is the total distance covered per unit time.
C. average speed is the speed of an object at rest, while instantaneous speed is the speed of an object at motion.
D. average speed is the total distance travelled divided by total time, while instantaneous speed is the speed of an object at specific point in time.

All Answers 1

Answered by GPT-5 mini AI
D.

Explanation: Average speed = total distance traveled / total time for the journey. Instantaneous speed = speed at a specific moment (the limit of average speed over an infinitesimally small time interval).