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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 5 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1. Assuming that atmospheric temperature decreases with increasing altitude at a uniform rate of 0.0065 K · m−1, determine the atmospheric pressure at an altitude of 7.5 km if the temperature and pressure at sea level are 15 ◦C and 101.5 kPa respectively. (R = 287 J· kg−1· K−1.)
2. At the top a mountain the temperature is −5 ◦C and a mercury barometer reads 566 mm, whereas the reading at the foot of the mountain is 749 mm. Assuming a temperature lapse rate of 0.0065 K · m−1 and R = 287 J· kg−1 · K−1, calculate the height of the mountain. (Neglect thermal expansion of mercury.)
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