Two metal disks, one with radius R1 = 2.61cm and mass M1 = 0.800kg and the other
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Question:
Two metal disks, one with radius R1 = 2.61cm and mass M1 = 0.800kg and the other with radius R2 = 4.85cm and mass M2 = 1.54kg , are welded together and mounted on a frictionless axis through their common center. (Figure 1) .
Part A
What is the total moment of inertia of the two disks?
Part B
A light string is wrapped around the edge of the smaller disk, and a 1.50-kg block, suspended from the free end of the string. If the block is released from rest at a distance of 2.10m above the floor, what is its speed just before it strikes the floor?
Part C
Repeat the calculation of part B, this time with the string wrapped around the edge of the larger disk.
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