**Recall:**

$\overline{){\mathbf{\lambda}}{\mathbf{=}}\frac{\mathbf{h}}{\mathbf{mv}}}$

**Given:**

λ = 3.45 × 10^{–34} m

v = 6.55 m/s

Determine the mass of a ball with a wavelength of 3.45 x 10^{-34 }m and a velocity of 6.55 m/s?

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What scientific concept do you need to know in order to solve this problem?

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Based on our data, we think this problem is relevant for Professor Kuchison's class at University of Manitoba.