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Solve Q71 and Q72 
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Asked by Vidushi412 | 02 Mar, 2019, 23:36: PM
answered-by-expert Expert Answer
 
71.
 
P E thin space W h i l e space C l i m b i n g space equals space m g h space equals space 5 space cross times space 10 to the power of 5 space end exponent J S i n c e space 25 percent sign space o f space t h i s space e n e g y space i s space m u s c u l a r space w o r k space s o comma space W space equals space 5 cross times 10 to the power of 5 cross times 1 fourth space equals 125 cross times 10 cubed space J E n e r g y space r e l e a s e d space b y space 180 space g space left parenthesis 1 space m o l e space o f space g l u cos e right parenthesis space equals space left square bracket increment G minus increment H right square bracket space equals space left square bracket negative 3000 minus left parenthesis negative 2808 right parenthesis right square bracket space K J space equals space 192 cross times 10 cubed J S i n c e space 180 g space G l u cos e space r e q u i r e s space 192 cross times 10 cubed space J space E n e r g y S o comma space 125 cross times 10 cubed space J space equals space fraction numerator 180 cross times 125 cross times 10 cubed over denominator 192 cross times 10 cubed end fraction equals 117.5 g space left parenthesis A p p r o x space a n s w e r space i s space d comma space 120 g right parenthesis
Answered by Sumit Chakrapani | 04 Mar, 2019, 02:25: AM

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