Physics, asked by killerofmyself, 7 months ago

An ideal heat engine exhausting heat at 77°C
is to have a 30% efficiency. It must take heat
at
1) 127°C 2) 227°C 3) 327°C 4) 6730

Answers

Answered by mamtaat81

3

Answer:

it must take heat at 227°C .

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