What is the de broglie wavelength (in meters) of a 45-g golf ball traveling at 72 m/s?

Data:

mass = 45 g = 0.045 kg

velocity = 72 m/s

Formula:

wavelength = Planck constant / (mass * velocity)

Solution:

Planck constant is 6.63 * 10^ -34 J*s

=> wavelength = 6.63 * 10 ^ -34 J*s / (0.045 kg * 72 m/s)

wavelength = 2.05 * 10^ - 34 m

2.05 * 10 ^  -34 m

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