higidura
DESCRIPTION
Higiduraru buruzko lana, zinematika lantzen duena.TRANSCRIPT
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ZINEMATIKA
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POSIZIO BEKTOREA
X ardatzean bektore unitarioari i deritzoY ardatzean bektore unitarioari j deritzo.
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ra = i + 4 j
rb = 6i + 3 j
rc = -5 i -5 j
rd = 4 i -2 j
TREBATZEKO
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DESPLAZAMENDUA
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Δ r = ( -12i + 12 j ) - (0i +0j ) = -12 i+12j
ibilbidea
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DISTANTZIA
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r0 = -3 i + j
r= 2 i +2 j
r0 = ( -3, 1)
Δ r = ( 2i + 2 j ) - (-3i +1j ) = 5 i+j
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Batezbesteko abiadura
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Azelerazio tangentziala Azelerazio tangentziala denborarekiko abiaduraren moduluaren aldaketa da Azelerazio tangentziala denbora unitateko abiaduraren moduluak pairatzen duen aldaketa da. Beraz,
Definizioak esaten duenez, azelerazio tangentziala bakarrik egongo da abiadura konstantea ez den kasuetan.
Azelerazio normalaAzelerazio normala denbora unitateko abiadurak pairatzen duen aldaketa da. Norabide aldaketa hau aldiune horretako norabidearekiko perpendikularra izanda. Norabide aldaketa dagoenez aldiune horretan biraketa dagoela esan genezake. Azelerazio normalaren adierazpen matematikoa ondorengoa da: norabidearekiko perpendikularra eta biraketa zentrura doan bektore unitarioa. :;alegiazko biraketa zentrurainoko distantzia