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Grade: 11 
        From what height should a piece of ice fall show that it completely melt only one quarter of heat predused is absorb by ice .
8 months ago

Answers : (1)

Arun
13851 Points 
							
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)
8 months ago
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