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A student graphed the position of a cart during a 7-second time interval. Which statement best describes the cart?

a) The cart is stationary.
b) The cart is moving at a constant speed.
c) The cart is accelerating.
d) The cart's motion is irregular

1 Answer

3 votes

Final answer:

The cart is moving at a constant speed.

Step-by-step explanation:

The statement that best describes the cart is b) The cart is moving at a constant speed.

If the position of the cart during the 7-second time interval is graphed, and the graph shows a horizontal line, then the cart is not changing its position, meaning it is not stationary (a). If the graph shows a straight line with a constant slope, then the cart is moving at a constant speed (b). Acceleration would be represented by a curved line on the graph, indicating that the speed is changing over time (c). An irregular motion would be represented by a graph that does not follow any pattern or consistent trend (d).

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