A small heat engine has an energy input of 1,176 joules, and does 201 joules of work. What is the efficiency of the engine? (round your answer to the nearest whole number percent, but leave off the % symbol) so, if you calculate it is 13.3%, enter your number as 13.

The efficiency of the engine is 17%.

Given the following data:

Energy input = 1,176 JoulesEnergy output = 201 Joules

To find the efficiency of the engine:

Mathematically, the efficiency of an engine is calculated by using the formula:

×

Where:

Eo is the energy output.Ei is the energy input.

Substituting the given parameters into the formula, we have;

×

×

Efficiency = 17%

Therefore, the efficiency of the engine is 17%.

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