Find the deBroglie wavelength of a 0.10kg ball moving at 19.0m/s? Why don’t we see this wave?

Answer 1

ok so we start out with this equation...

λ = h/p

so...

λ = (6.63E-34 J-s)/(0.1 kg x 19 m/s)
λ = 3.489E-34 m

and we don't see this wave because..well...look at its size o.O