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For what height a black of ice be dropped in order that it may completely melt. it is assumed that 20% of energy's of fall is retained by ice.[L=80 cal/gm]
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?
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More solar radiation is absorbed by earth’s surface than by
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What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
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For what height a black of ice be dropped in order that it may completely melt. it is assumed that 2...
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