Help me !! wrong answer get reported
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Answers: 2
Physics, 22.06.2019 10:30, zoebtharpe
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Physics, 22.06.2019 13:10, rosemary909
Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.
Answers: 1
Physics, 22.06.2019 16:00, autumnstalvey67
Marvin records scientific data about lake superior. for which property has marvin forgotten to use an si unit of measurement? shore length high temperature low temperature annual precipitation
Answers: 3
Biology, 14.07.2019 10:50
History, 14.07.2019 10:50
Mathematics, 14.07.2019 10:50
Health, 14.07.2019 10:50
Physics, 14.07.2019 10:50
Mathematics, 14.07.2019 10:50
Mathematics, 14.07.2019 10:50
Mathematics, 14.07.2019 10:50