describing motion

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11 Terms

1
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distance

scalar, measure of how far an object travels

<p>scalar, measure of how far an object travels </p>
2
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displacement

vector, how far something is from its starting position

<p>vector, how far something is from its starting position </p>
3
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vector

describes both magnitude and direction

<p>describes both magnitude and direction </p>
4
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scalar

only has magnitude

<p>only has magnitude </p>
5
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speed

scalar, the distance it travels every second

<p>scalar, the distance it travels every second </p>
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non uniform motion

motion that changes

<p>motion that changes</p>
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measure speed

trundle wheel to measure distance

<p>trundle wheel to measure distance </p>
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velocity

similar to speed, but describes the direction , vector

<p>similar to speed, but describes the direction , vector </p>
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acceleration

the rate of change of velocity

<p>the rate of change of velocity </p>
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represents displacement

area under VT graph

<p>area under VT graph </p>
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free fall

in the absence of air resistance, all objects fall with the same acceleration

<p>in the absence of air resistance, all objects fall with the same acceleration </p>