chemistry
posted by Sandra .
What is the wavelength of a ball that is 25.0 g traveling at 90.0 miles per hour (40.2 m/s)?
I tried solving it by using
c = wavelenth* frequeny
but i get the wron answer

Why did you use the wave equation. What is the de Broglie wavelength?
http://en.wikipedia.org/wiki/Matter_wave
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