normaalvector, beweging en vectoren Flashcards

1
Q

normaalvector

A

de vector die loodrecht op een lijn staat

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2
Q

toepassing normaalvector

A

als n^→=(p,q) is px+py=c de vergelijking van de lijn waar de normaalvector bij hoort
bv. l: (x,y)=(3,2) + t * (3,4)
n^→= r^→L of R=(4,-3)
l: 4x-3y=c
(3,2) invullen
l: 4x-3y=6

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3
Q

plaatsvector

A

= r(t)^→= (x(t), y(t))

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4
Q

snelheidsvector

A

=v(t)^→=(x’(t), y’(t))

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5
Q

baansnelheid

A

=v(t)= ∣v(t)^→∣=√((x’(t)’)² + (y’(t))²)=lengte snelheidsvector

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6
Q

versnellingsvector

A

a(t)^→=(x”(t), y”(t))

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7
Q

baanversnelling

A

a(t)=v’(t)=[∣v(t)^→∣]’

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