SCIENCE 101M2L2 Gizmo GRADED A

Student Exploration: Distance-Time Graphs
Vocabulary: speed, y-intercept
Prior Knowledge Questions (Do these BEFORE using the Gizmo$%
Max ran 100 feet in 10 seconds. Molly ran 60 feet in 5 seconds.
1. Who ran farther, Max or Molly? Max
2. Who ran faster? Molly Explain: molly ran at a speed of 12 Ft/s while Max ran at a speed of
10 Ft/s
Gizmo Warm-up
The Distance-Time Graphs GizmoTM shows a graph and a
runner on a track. You can control the motion of the runner
by manipulating the graph (drag the red dots).
Check that Number of points is 2, and that under Runner
1 both Show graph and Show animation are turned on.
The graph should look like the one shown to the right –
one point at (0, 0) and the other point at (4, 40).
1. Click the green Start button on the stopwatch.
What happens? The guy runs at a speed of 10 yd/s
____________________________________________
2. Click the red Reset button on the stopwatch. The vertical green probe on the graph allows
you to see a snapshot of the runner at any point in time. Drag it back and forth. As you do,
watch the runner and the stopwatch.
A. What was the position of the runner at 1 second? 10 yards
B. What are the coordinates of the point on the graph that tells you this? (1,10)
C. When was the runner on the 30-yard line? 3 seconds
D. What are the coordinates of the point on the graph that tells you this? (3,30)This study source was downloaded by 100000835776711 from CourseHero.com on 11-15-2021 05:22:13 GMT -06:00
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