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Abdullah is not an Amalekite
Abdullah is not an Amalekite
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B747 has a larger sweep angle than A380. If main reason for sweep is to delaydelays compressibility effects, why does B747747 cruise at lower speedslower than A380?

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B747 has a larger sweep angle than A380. If main reason for sweep is to delay compressibility effects, why does B747 cruise at lower speed than A380?

B747 has a sweep angle of 37 deg and A380 has a sweep angle of 33 deg. If the main reason for sweep is to delay compressibility effects and increase operating Mach number, why does B747 cruise at a lower speed than A380?