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What is the efficiency of a car's engine when heat input is 400,000 joules and

the waste heat is 300,000 joules?
O A. 25%
B. 35%
O C. 75%
D. 85%

User Folaht
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2 Answers

2 votes
Either 25% or 75%. does it to how much is wasted or the difference in the input and waste?
User NiMux
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2 votes

Answer: A. 25%

Explanation: Ap3x

User Benez
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