The center of mass of a pitched baseball or
radius 3.91 cm moves at 33.6 m/s. the ball
spins about an axis through its center of mass
with an angular speed of 52.1 rad/s.
calculate the ratio of the rotational energy
to the translational kinetic energy. treat the
ball as a uniform sphere.

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system