For SHM Questions (1 Viewer)

Jig

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For SHM questions, do you have to derive the formula v2=n2(a2-x2) using acceleration since its not on the reference sheet? Or can you just whip it since its SHM?
 

Drdusk

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Yeah everyone uses it. Even in past Hsc papers they just use it
 

blyatman

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Yes you can just use it. Keep in mind that formula sheets were only introduced in like 2013 or so. I only found out last year that there was now a formula sheet lol (and likewise with multiple choice, which was also introduced around the same time).
 

Trebla

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If you must derive it, use the fact that acceleration is equal to
 

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