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A cow has eaten 1500KJ of stored chemical energy in the form of food. 945KJ is exerted as waste products. 495kJ is used for respiration. How much of the original 1500kJ is stored as chemical energy in
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39 votes
A cow has eaten 1500KJ of stored chemical energy in the form of food. 945KJ is exerted as waste products. 495kJ is used for respiration. How much of the original 1500kJ is stored as chemical energy in the tissues of the cow?

User Firephil
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2 Answers

16 votes
16 votes

Answer:

60

Step-by-step explanation:

User MrCarrot
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3.2k points
18 votes
18 votes

We need Net Energy


\\ \rm\Rrightarrow E_(net)=1500-(945+495)


\\ \rm\Rrightarrow E_(net)=1500-1440


\\ \rm\Rrightarrow E_(net)=60kJ

User Shimul
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3.3k points
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