Ahollow cylinder of mass m and radius r rolls down an inclined plane. a block of mass m slides down an identical inclined plane. if both objects are released at the same time,
a) the cylinder will reach bottom first
b)the block will reach the bottom first
c) the block will reach the bottom with greater kinetic energy
d) the cylinder will reach bottom with greater kinetic energy
e) the block and the cylinder will reach the bottom at the same time.