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two uniform circular disk having the same mass in the same thickness or made fro

ID: 1605286 • Letter: T

Question

two uniform circular disk having the same mass in the same thickness or made from different materials. The disk with the smaller rotational inertia is: QUESTION 1 2 point Two uniform circular disks having the same and the same thickness are made from different materials The disk with the smaller rotational inertia i A neither both rotational inertias are the same B the disk with the larger torque C the one made from the more dense material D the one made from the less dense material E the disk with the larger angular velocity

Explanation / Answer

the one made from less dense material

moment of inertia I = 1/2mr^2 = 1/2*density*area *r^2

I = 1/2*d*pir^2*r^2

I is proprtiaonla to the density