2. Which has more rotational inertia: A solid, uniform sphere of
mass 100kg, or a mostly hollow spherical shell of mass 100kg?
a.They both have the same rotational inertia
b.Solid Sphere
c.Hollow Sphere
3.If a bicycle starts from rest and is pedaled normally until
the bike is moving at 6 meters per second across level ground, what
kinds of energy have its tires been given? (Select all that
apply)
a.Rotational Kinetic Energy
b.Translational Kinetic Energy
c.Gravitational Potential Energy
d.Elastic Potential...