A baseball pitcher's fastballs have been clocked at about 94 mph (1 mile = 1609 m).   (a) Calculate the wavelength of a 0.148−kg baseball (in nm) at this speed. (b) What is the wavelength of a hydrogen atom at the same speed?

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Chapter7: Electronic Structure
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Problem 7.104QE: A baseball weighs 142 g. A professional pitcher throws a fast ball at a speed of 100 mph and a curve...
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A baseball pitcher's fastballs have been clocked at about 94 mph (1 mile = 1609 m).
 

(a) Calculate the wavelength of a 0.148−kg baseball (in nm) at this speed.

(b) What is the wavelength of a hydrogen atom at the same speed?

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