What is the car's speed between points D and E?* 1 point
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To determine how far from the detector an object is, look at the vertical als of the position-time graph.
To determine how fast an object is moving, look at the steepness of the position time graph.
The steeper the position time graph, the faster the object is moving.
To determine which way the object is moving, look at which way the position-time graph is sloped.
A position time slope like a front slash / means the object is moving away from the detector.
A position-time slope like a back slash means the object is moving toward the detector.
Expample: Given the position-time graph below refering to the motion of a car, answer the questions below.
KILOMETERS (1m)
-28
is 24
20
16
to
1 2 3 4 5 6 7 8 9 10 12 IS H 15
HOURS(h)
Your answer