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From what height should a piece of ice fall show that it completely melt only one quarter of heat predused is absorb by ice .
Dear Amar E = mgh/4 = m Lf h = 4 Lf/g h = 4 *3.4 * 10^5/10 h = 13.6 * 104 metres h = 136 km Regards Arun (askIITians forum expert)
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