Which best describes Dante’s error? There should be a battery connected to the brushes. There should be one brush on each slip ring. The slip rings should be touching each other. The magnets should be above the armature and axle.

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?