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[ul(" III."" JOULE'S LAW ")],[[" 41."2kg...

[ul(" III."" JOULE'S LAW ")],[[" 41."2kg" ice block should be dropped from 'x "km'" height to melt completely.The "8kg" ice should be "],[" dropped from a height of "],[[" 1) "4xKm," 2) "xKm," 3) "2xKm]]]

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