12 - vectors Flashcards

1
Q

vector

A

has direction and magnitude

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2
Q

zero vector

A

no movement
written in bold

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3
Q

absolute magnitude of a vector

A

if a = (x, y)
|a| = root(x^2 + y^2)

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4
Q

unit vector

A

vector whose magnitude is one
if a is a vector then the unit vector of a
is a/ |a|

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5
Q

position vectors

A

(x
y)

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6
Q
A
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