What is the de Broglie wavelength of a 300.g object moving at a velocity of 25.0 m/s (about 100 mph)?

Name: What is the de Broglie wavelength of a 300.g object moving at a velocity of 25.0 m/s (about 100 mph)?
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Question

Quizplus · Accepted Answer

We can use the de Broglie wavelength formula: λ = h/mv, where h is Planck's constant, m is the mass of the object, and v is the velocity.

Plugging in the values: 
λ = (6.626 x 10^-34 J s) / (300 g)(25.0 m/s) 
λ = 8.84 x 10^-35 m

Therefore, the correct answer is B.

What Is the De Broglie Wavelength of a 300