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%

7.2k points

Please log in or register to add a comment.

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

7.2k points

2 votes

Answer: A. 25%

Explanation: Ap3x

Benez answered Nov 23, 2022

by Benez

7.6k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.3m questions

10.9m answers