Usain de Bolt-y Wavelength

Usain Bolt, the world champion sprinter, hit a top speed of 27.79 miles per hour at the Olympics. If he has a mass of 94 kg, what was his de Broglie wavelength?

Express your answer as an order of magnitude in units of the Bohr radius rB=5.29×1011mr_{B} = 5.29 \times 10^{-11} \text{m}. For instance, if your answer was 4×105rB4 \times 10^{-5} r_{B}, your should give 5.-5.


Image Credit: Flickr drcliffordchoi.
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