Homework Statement
A cheerleader waves her pom-pom in simple harmonic motion with an amplitude of .180m and a frequency of .850Hz.
a) Find the maximum magnitude of the acceleration and of the velocity.
b) Find the acceleration and speed when the pom-pom's coordinate is x=+.090m.
c)...
Homework Statement
A thin metal disk with mass 2.00E-3kg and radius 2.20cm is attached at its center to a long fiber. The disk, when twisted and released, oscillates with a period of 1.00s. Find the torsion constant of the fiber.
Homework Equations
a) ω=sqrt(κ/I)
b) f=1/(2π)...