ılar nitrogen, 21 % O- 00
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Transcribed Image Text:3. Calculate the speed ratio, S, for a satellite moving at 8 km/s, assuming that the ambient
atmospheric species is 79 % molecular nitrogen, 21 % O2, and the temperature of the gas is 300 K.
Re-do the calculation for a gas temperature of 3,000 K.
Expert Solution

Step 1
Given:
In Atmosphere,
1- Nitrogen- 79%
2- Oxygen- 21%
So,
R= 0.79R1+0.21R2
R= 0.79 x 297+0.21 x 260
R= 289.23 J/kg.k
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