A certain rifle bullet has a mass of 6.45 g. Calculate the de Broglie wavelength of the bullet traveling at 1313 miles per hour.

Question

Isabella Poole

Physics

11 March, 21:49

A certain rifle bullet has a mass of 6.45 g. Calculate the de Broglie wavelength of the bullet traveling at 1313 miles per hour.

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Pierce Lawrence · Answer 1

Convert everything in the mks units

Velocity per second = 1241*1.6/60/60=0.55 m/s

mass = 6.45 g = 6.45*10^ (-3) kg

de Broglie wave length Lambda is

Lambda = h/p

h in mks units is 6.6*10^ (-34)

Lambda = 6.6 * 10^ (-34) / (6.45*10^ (-3) * 0.55) = 1.86*10^ (-3 ... m