# Problem: How to calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s?

###### FREE Expert Solution

de Broglie wavelength (λ):

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

where:

h = Planck's constant (6.626 × 10–34 kg • m2/s)

m = mass (in kg)

v = velocity (in m/s)

We’re given:

mass = 155 g           velocity = 32.5 m/s

m = 0.155 kg

###### Problem Details

How to calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m/s?
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