What did you include in your response? Check all that apply.
Answer
A
The first part of the graph is a straight diagonal line.
B
The second part of the graph is a straight horizontal line.
C
The slope of the first part of the graph is positive, indicating that the cart increased in speed, and was therefore accelerating for the first 4 seconds.
D
The slope of the second part of the graph is zero, indicating that the cart moved at a constant speed and did not accelerate any more because the fan was turned off.