Calculate the efficiency of an engine if the work input is 300. j and the work output is 100. j

Efficiency of an engine is 33.34 %  

Explanation:

It is given that,

Input work, W₁ = 300 Joules

Output work, W₂ = 100 Joules

We have to find the efficiency of the engine. The efficiency of engine is given by the ratio of output work to the input work. Mathematically, it is given by :

Hence, the efficiency of the engine is 33.34 %

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explanation:

vestigial organs (like your appendix) are organs that no longer serve a purpose.

i think they are all correct

explanation:

they seem good