Question
The runners in the picture below have just started a race. They started at rest and are getting faster.
What statement best describes the motion of the runners at the beginning of the race?
A.
Velocity and speed both remain constant.
B.
Velocity remains the same and speed is positive.
C.
Acceleration and speed both remain constant.
D.
Acceleration is positive and speed is increasing.
What statement best describes the motion of the runners at the beginning of the race?
A.
Velocity and speed both remain constant.
B.
Velocity remains the same and speed is positive.
C.
Acceleration and speed both remain constant.
D.
Acceleration is positive and speed is increasing.
Answers
GPT-4o mini
The best statement that describes the motion of the runners at the beginning of the race is:
D. Acceleration is positive and speed is increasing.
At the start of the race, the runners are starting from rest and are accelerating, which means their speed is increasing as they begin to run.
D. Acceleration is positive and speed is increasing.
At the start of the race, the runners are starting from rest and are accelerating, which means their speed is increasing as they begin to run.