Sun E
Earth
How would the Moon appear to people on Earth on this day?
It would be half dark
It would be a quarter dark
It would be completely light
It would be completely dark

Why cooking gas has a typical smell

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.

Give an example in which the electrical energy changes to light energy