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An cube of ice of size a = 10cm is floating in a tank (base area A = 50cmX50cm) partially filled with water. The change in gravitational potential energy, when ice melts completely is (density of ice is 900 kg/m 3 ). please explain.

```
4 years ago

Vikas TU
14146 Points
```							mass = density * volume = > 900 * 10^-3 = > 0.9 kg.Potential enrgy = mg(change in height) = > 0.9*10*(4x10^-3 - 5x10^-2)and h = V/change in entropy hence. Net Potential Energy = > – 0 .405 J.
```
4 years ago
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