What is the mass in kg of a particle traveling at 171 m/s if it has a wavelength of 2.51x10-38m?

1 Answer
Jan 31, 2018

#153kg#

Explanation:

Using De Broglie wave equation,

#lambda= h/(mv)#

Where #h#= Planck's constant
#m#= mass of particle
#v#= velocity
#lambda#= wavelength

#2.51xx10^-38=(6.6xx10^-34)/(mxx171)#

#m=(6.6xx10^-34)/(171xx2.51xx10^-38)#

#m=153kg#