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Accounting Department out of control
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<blockquote data-quote="DS" data-source="post: 332251" data-attributes="member: 556"><p>What is the airspeed velocity of an unladen swallow?</p><p><strong>Three shall be the number thou shalt count</strong></p><p></p><p></p><p>Airspeed can also be predicted using a published formula. By inverting this midpoint Strouhal ratio of 0.3 (<em>friend</em>A/U ≈ 0.3), Graham K. Taylor et al. show that as a rule of thumb, the speed of a flying animal is roughly 3 times frequency times amplitude (U ≈ 3<em>friend</em>A).<a href="http://www.style.org/unladenswallow/#5" target="_blank"><u><span style="color: #0000ff">5</span></u></a> </p><p></p><p>We now need only plug in the numbers: </p><p style="margin-left: 20px">U ≈ 3<em>friend</em>A</p> <p style="margin-left: 20px">friend ≈ 15 (beats per second)</p> <p style="margin-left: 20px">A ≈ 0.22 (meters per beat)</p> <p style="margin-left: 20px">U ≈ 3*15*0.22 ≈ 9.9 </p><p>... to estimate that the airspeed velocity of an unladen European Swallow is 10 meters per second.</p></blockquote><p></p>
[QUOTE="DS, post: 332251, member: 556"] What is the airspeed velocity of an unladen swallow? [B]Three shall be the number thou shalt count[/B] Airspeed can also be predicted using a published formula. By inverting this midpoint Strouhal ratio of 0.3 ([I]friend[/I]A/U ≈ 0.3), Graham K. Taylor et al. show that as a rule of thumb, the speed of a flying animal is roughly 3 times frequency times amplitude (U ≈ 3[I]friend[/I]A).[URL="http://www.style.org/unladenswallow/#5"][U][COLOR=#0000ff]5[/COLOR][/U][/URL] We now need only plug in the numbers: [INDENT]U ≈ 3[I]friend[/I]A friend ≈ 15 (beats per second) A ≈ 0.22 (meters per beat) U ≈ 3*15*0.22 ≈ 9.9 [/INDENT]... to estimate that the airspeed velocity of an unladen European Swallow is 10 meters per second. [/QUOTE]
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