subject
Engineering, 13.09.2019 21:30 saramerguelo

An air balloon with mass m hovers at a constant height above the ground: 1- calculate the mass mo of the ballast that must be thrown for the balloon to rise with the acceleration a ignore the air resistance. 2- also calculate the percentage reduction in lifting power that needs to happen to maintain a constant height after the rising.

ansver
Answers: 2

Another question on Engineering

question
Engineering, 03.07.2019 15:10
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
Answers: 1
question
Engineering, 04.07.2019 18:10
True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure
Answers: 2
question
Engineering, 04.07.2019 18:20
Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
Answers: 2
question
Engineering, 04.07.2019 18:20
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
You know the right answer?
An air balloon with mass m hovers at a constant height above the ground: 1- calculate the mass mo o...
Questions
question
Biology, 28.10.2020 20:00
question
Mathematics, 28.10.2020 20:00
question
Mathematics, 28.10.2020 20:00
Questions on the website: 13722367