Question

Two disc of radius R and R/2 are made with same material with same thickness disc of radius R rotates with speed of (.) and disc of radius R/2 is at rest. now both disc are placed coaxially. find percentage loss of kinetic energy when they rotates with same angular velocity ​

Answer 1

Two disc of radius R and R/2 are made with same material with same thickness disc of radius R rotates with speed of (.) and disc of radius R/2 is at rest. now both disc are placed coaxially. find percentage loss of kinetic energy when they rotates with same angular velocity

Answer 2

Answer:5.9%

Explanation: