Science Ch 1 Lesson 3

1. ______ describes the steepness of a line on a graph.

Slope.

2. Define rise and run in your own words.

Rise is the distance on the y-axis in a graph, and run is the distance on the x-axis in a graph.

3. State appropriate units for the x-axis and y-axis on a position-time graph for a turtle, a walking person, and an automobile on the highway.

cm/s, km/h, km/h.

4. Describe the speed-time graph of an object that is not moving.

flat line along the axis representing time.

5. Describe the motion of the object whose position-time graph is shown below.

The object was accelerating from a stop.

6. Calculate the slope of the line on a position-time graph for a car that starts at the origin at 0s and moves at a constant velocity for 15 s to a position 300 m from the origin.

20 m/s

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