stuck on these two parts,please help. An aircraft engine takes in an amount 9200 J of...

Question

Question

stuck on these two parts,please help.

An aircraft engine takes in an amount 9200 J of he

Answer 1

Answer #1

A.

work done = heat in - heat out

W = 9200 - 6600 = 2600 J

B.

efficiency = work out/heat in

n = 2600/9200 = 0.2826

n% = 28.26 % efficiency

Answer 2

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