Discussion
A variable-sweep wing was adopted on aircraft such as the F-14 and Tornado in order to
Answer: C
Spread, the wing has a high aspect ratio and works well slowly for take-off, loiter and landing; swept, it hides its leading edge behind the Mach cone and cuts wave drag for the dash. The compromise is bought with a heavy, complex pivot, which is why the configuration has largely fallen out of use.
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