thechildishgod thechildishgod

15-04-2020
Physics

contestada

A Carnot engine takes 3000 J from a reservoir at 600 K, does some work, and discards some heat to a reservoir at 300 K. What is its efficiency?
50%
60%
20%
30%

Respuesta :

fayemioluwatomisin fayemioluwatomisin

15-04-2020

Answer: 50%

Explanation: efficiency=power input/power output ×100

Eff.=300/600 ×100

Eff=½×100

Eff=50%

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