Question

7. A block of ice with mass m falls into a lake. Alter impact, a mass of ice m/5 melts. Both the block of ice and the lake have a temperature of 0°C. IL represents the heat of fusion, the minimum distance the ice fell before striking the
surface is
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Answer 1

Answer:The given pic will just let u know about this question

Explanation:Equate Potential energy with latent heat of fussion