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%

asked Nov 19, 2022 157k views

4 votes

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%

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2 votes

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

NiMux answered Nov 20, 2022

by NiMux

6.0k points

2 votes

Answer: A. 25%

Explanation: Ap3x

Benez answered Nov 23, 2022

by Benez

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