Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 5 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 08 Jan 2018 My Price 4.00

hydrogen-filled balloon

1. A hydrogen-filled balloon is to expand to a sphere 20 m diameter at a height of 30 km where the absolute pressure is 1100 Pa and the temperature −40 ◦C. If there is to be no stress in the fabric of the balloon what volume of hydrogen must be added at ground level where the absolute pressure is 101.3 kPa and the temperature 15 ◦C?

2. Calculate the density of air when the absolute pressure and the temperature are respectively 140 kPa and 50 ◦C and R = 287 J· kg−1 · K−1

 

Answers

Maurice Tutor
(5)
Status NEW Posted 08 Jan 2018 10:01 PM My Price 4.00

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