1. Consider an oscillator with a position given by x=Acos(??t+?/2). (a) Graph position versus time for one complete cycle, from t=0 to t=T. (b) Is this simple harmonic motion? Explain. 2. Simple Harmonic Motion A block on a spring undergoes simple harmonic motion with amplitude A, its position given by x=cos(????) Where is the block (a) when the force on it is zero, (c) when its speed is zero, and (d) when its speed is greatest? this time using energy concepts to explain where a simple harmonic oscillator s speed is the least and greatest.
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