GATE_AE_2027_MOCK_05_Q22 GATE 2027 Aerospace Engineering All-India Master Mock 05 (High-Yield Comprehensive Grand Finale) NAT · 1 Mark
Flight Mechanics & Space Dynamics • Atmospheric Flight Mechanics • Stalling Speed & Maximum Lift Coefficient

If the gross weight of an aircraft is doubled (W_2 = 2 W_1) while flying in identical atmospheric conditions with the same configuration, the stall speed increases by a factor of:

Answer Key:
1.414

Step-by-Step Verified Solution

### Solution: V_{stall} \propto \sqrt{W}. When W is doubled, V_{stall} increases by \sqrt{2} ≈ 1.414. Correct: 1.414 (range 1.40 to 1.43).
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