Physics, 18.02.2020 01:00 brucemartineau8475
Air at 15°C and 1.05 bar occupies 0.02 m3 . The air is heated at constant volume until the pressure is 4.2 bar, and then cooled at constant pressure back to the original temperature. Calculate the net heat flow to or from the air and the net entropy change.
Answers: 3
Physics, 21.06.2019 19:30, queenpaige2015
Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .
Answers: 2
Physics, 22.06.2019 07:40, sanafarghal
Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear
Answers: 2
Physics, 22.06.2019 07:40, Alex9089435028
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
Answers: 3
Air at 15°C and 1.05 bar occupies 0.02 m3 . The air is heated at constant volume until the pressure...
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