Posted by **Jess** on Monday, November 3, 2008 at 2:57pm.

a block of wood of mass 0.25kg is attached to one end of a spirnf og constant stiffness 100N/m. The block can oscillate horizontally on a frictionless surface, the other end of the spring being fixed.

a) calculate the maximum elastic potential energy of the system for a horizontal oscillation of amplitude 0.20m.

i tried to use the equation

Ep=(1/2)*(mass)*(omega^2)*(displacement)

but i wasnt sure if this was the right way to go about it because i couldnt figure out how i could find out the angular frequency

thanks for your help!

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