describing motion along a line (unfinished)

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12 Terms

1
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distance

how far an object moves,scalar

2
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displacement

includes both distance and direction,vector

3
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speed

speed is rarely constant and does not involve direction,scalar

4
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walking speed

1.5

5
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running speed

3

6
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cycling

6

7
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sound in air

330

8
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distance formula

speed x time

9
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velocity of an object 

speed in a given direction,vector

10
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how can object moving along straight line be represented?

distance time graph

11
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what can be calculated from gradient of distance time graph

speed of an object

12
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how can accelerating objects speed be determined (graph)

drawing tangent and measuring gradient of distance time graph at that point