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A carpet of mass m made of an in extensible material is rolled along its length in the form of a cylinder of radius R and kept on a rough floor. If the carpet is unrolled without sliding to a radius R/4. Calculate decrease in potential energy? |
| Answer» A carpet of mass m made of an in extensible material is rolled along its length in the form of a cylinder of radius R and kept on a rough floor. If the carpet is unrolled without sliding to a radius R/4. Calculate decrease in potential energy? | |