Answers: 3
Chemistry, 21.06.2019 22:30, 20heldmadison
Hot air balloons float in the air because of the difference in density between cold and hot air. in this problem, you will estimate the minimum temperature the gas inside the balloon needs to be, for it to take off. to do this, use the following variables and make these assumptions: the combined weight of the pilot basket together with that of the balloon fabric and other equipment is w. the volume of the hot air inside the balloon when it is inflated is v. the absolute temperature of the hot air at the bottom of the balloon is th (where th> tc). the absolute temperature of the cold air outside the balloon is tc and its density is ÄŹc. the balloon is open at the bottom, so that the pressure inside and outside the balloon is the same. as always, treat air as an ideal gas. use g for the magnitude of the acceleration due to gravity.
Answers: 1
Chemistry, 22.06.2019 08:00, danielhall
Identify a strong intermolecular force of attraction between an alcohol
Answers: 1
Chemistry, 22.06.2019 13:30, hdhtvthjr
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
What do decomposer and consumers have alike?...
Mathematics, 24.05.2021 22:10
Social Studies, 24.05.2021 22:10
Mathematics, 24.05.2021 22:10
Mathematics, 24.05.2021 22:10
Mathematics, 24.05.2021 22:10
Mathematics, 24.05.2021 22:10