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WSKT 212 PAC

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2<br />

Per definisie is = 2 f of =<br />

T<br />

π<br />

ω π ω (omwenteling gedeel deur<br />

periode) en dus is<br />

( )<br />

ω = 2π f = 2π 58 = 116π radiale/minuut<br />

of<br />

2π 2π<br />

ω = = = 116π<br />

radiale/minuut .<br />

T 0,017<br />

( ) = − 1sin 116 + 5<br />

Ons hele model lyk dus soos volg: rt ( πt)<br />

Laat ons hierdie algebraïese vorm van die wiskundige model nou skets en vasstel of ons<br />

model saamstem met die inligting wat aan die begin gegee is omtrent die gedrag van die<br />

radius as funksie van tyd; ons wil dus nou die geldigheid van ons model toets:<br />

142

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