A cheerleader waves her pom-pom in SHM with an amplitude of 17.2cm and a frequency of 0.895Hz.
I found\omega=5.6206
1. Find the acceleration when the pom-pom's coordinate is x= 9.00cm .
2. Find the speed when the pom-pom's coordinate is x= 9.00cm .
3. Find the time required to move from the equilibrium position directly to a point a distance 12.9cm away.

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