What is the de Brogliewavelength associated 2.5g pingpong ball traveling at 35 mph?

0 ⤊

What is the de Brogliewavelength associated 2.5g pingpong ball traveling at 35 mph?

Topic in physics

2007-07-06 02:51:24 · 2 answers · asked by Jim J 1 in Science & Mathematics ➔ Physics

2 answers

v = 35mph ≈ 15.65 m/s
m = 2.5 g =2.5E-3 kg
h ≈ 6.63E-34 J.s
so
λ = h / mv ≈ 1.7E-32 m

the end
.

2007-07-06 03:18:16 · answer #1 · answered by The Wolf 6 · 0⤊ 1⤋

wavelength = h/mv

v=35mph = 35*1609 meters/hour = 35*1609/3600=15.64m/s
m = 0.0025kg
h= 6.63*10^-34Js

so wavelength = 6.63*10^-34/(15.64*0.0025) =1.7*10^-32m

2007-07-06 03:27:11 · answer #2 · answered by maussy 7 · 0⤊ 0⤋