A thin uniform rod (mass = 1.75 kg) swings about an axis that passes through one end of the rod and is perpendicular to the plane of the swing. The rod swings with a period of 1.9 s and an angular amplitude of 2.0 ° .
(a) What is the length of the rod?
m
(b) What is the maximum kinetic energy of the rod as it swings?
J