1 distance and speed

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7 Terms

1
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define distance

scalar, total length between two points

2
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define speed

the rate of change in distance

3
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what’s the equation for speed?

speed = distance/time

4
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in a distance time graph, what does the gradient represent?

the speed of an object

5
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in a distance time graph, what does it mean if the gradient is a straight, sloping line?

the object is moving at a constant speed

6
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define instantaneous speed

the speed of an object at a particular point in time

7
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how can the instantaneous speed be found on a distance time graph?

drawing a tangent to the distance time graph the determining the point on the gradient