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Water in a †an k is frozen completely. The height and mass of frozen water is 10cm and 1kg respectively. When the entire ice melts, the work done by gravity is (specific gravity of ice=0.9 |
| Answer» Water in a †an k is frozen completely. The height and mass of frozen water is 10cm and 1kg respectively. When the entire ice melts, the work done by gravity is (specific gravity of ice=0.9 | |