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July 24, 2014

Homework Help: Physics SHM

Posted by charlie on Wednesday, November 5, 2008 at 1:51pm.

Am self studying SHM, so sorry for the elementary questions.

Would someone check/confirm some facts i think I've learned please.

1 If a sine wave graph starts at the origin at time = 0s, the sysyem is in equilibrium?

2 The amplitude at t= 0s is zero.

3 Same system, the phase angle/constant (phi) is 0 or pi?

4 When a system is displaced, but at rest, the phase angle is + or - half pi?

Confirmation or advice appreciated

Thanks

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