2 Angular Momentum ComputationA massless rigid rod of length r connects two particles of massesm1andm2. The system rotates about an axis through the centre ofmass of the system with angular speedω. The axis is perpendicularto the rod. Prove that the magnitude of angular momentum of thesystem is given byL=μr2ω, whereμ:=m1m2m1+m2is called the reducedmass of the system.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?