Two metal disks, one with radius R $=2\mathrm{.}40$ cm andmass M$=0\mathrm{.}900$ kg and the other with radiusRy $=4\mathrm{.}90$ cm and mass M$,=1\mathrm{.}50$ kg$,$ are weldedtogether and mounted on a frictionless axis throughtheir common centerPart AWhat is the total moment of inertia of the twodisks?Express your answer with the appropriate units.Part BSubmit$1\mathrm{.}50$ kgValueUnitsPart CA light string is wrapped around the edge of thesmaller disk, and a $1\mathrm{.}50$ kg block is suspendedfrom the free end of the string. If the block isreleased from rest at a distance of $1\mathrm{.}20$ m abovethe floor, what is its speed just before it strikesthe floor?Submit?Express your answer with the appropriate units.RRequest AnswerValueUnitsSubmitRequest AnswertRepeat part B$,$ this time with the string wrappedaround the edge of the larger disk.ValueUnitsExpress your answer with the appropriate units.Request Answer?t