Answer Happy

Consider the father pushing a playground merry-go-round aspictured above. He exerts a force of 312 N on the 50.0-kgmerry-go-round, which has a 1.53 m radius. Consider themerry-go-round itself to be a uniform disk with negligibleretarding friction.
a) How long does it take the father to give the merry-go-roundand his 18.0-kg child an angular velocityof 1.67 rad/s?
b) How many revolutions must he go through to generate thisvelocity?
c) If he exerts a slowing force of the same magnitude, how longwould it take him to stop them?
Merry-go-round F Flr for maximum o