ch09-p117 - 117(a The thrust is Rvrel where vrel = 1200 m/s...

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117. (a) The thrust is Rv rel where v rel = 1200 m/s. For this to equal the weight Mg where M = 6100 kg, we must have R = (6100) (9.8)/1200 50 kg/s. (b) Using Eq. 9-42 with the additional effect due to gravity, we have
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