../ PHYS 270 - Carnot Engine [TgPOStdbG-I].webm 19-Oct-2020 09:44 19534484 PHYS 270 - Efficiency of an Engine [8uU7-V2AwD0..> 19-Oct-2020 09:56 10647864 PHYS 270 - Heat Engine [hYxZCj6GdOQ].webm 19-Oct-2020 09:26 11825230 PHYS 270 - Refrigerators [zwD7sa7rzeI].webm 19-Oct-2020 10:10 17925670