Taken from: Khan Accademy Air resistance is the answer. Basically, at 45 degrees you are spending the most TIME in the air, which would mean the most time to be affected by air resistance. As you reduce the angle, you lose a little time in the air, but gain distance as this also means less air resistance. The air resistance factor is more significant than the extra distance gained at the ends of a 45 degree arc. Jim
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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