ST7.20 Energy in SHM
A particle is in simple harmonic motion along the
x-axis.
The amplitude of the motion is
xm.
At a particular point in the cycle its
kinetic energy is
K=5J and its
potential energy (measured with
U=0 at
x=0)
is
U=3J. When it is at
x=xm,
the kinetic and potential energies are: