Explore BrainMass
Share

Explore BrainMass

    de Broglie Wavelength of a Rifle Bullet

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    A certain rifle bullet has a mass of 8.13 g. Calculate the de Broglie wavelength of the bullet traveling at 1721 miles per hour. Physical constants are found below:

    Physical Constants
    Quantity Symbol Value
    speed of light in a vacuum c 2.99792458Ã-108 m/s (exact)
    Planck's constant h 6.6260755Ã-10-34 J·s
    universal gas constant R 0.082057 L·atm/(mol·K)
    8.3145 J/(mol·K)
    8.3145 m3·Pa/(mol·K)
    8.3145 L·kPa/(mol·K)
    0.083145 L·bar/(mol·K)
    62.364 L·Torr/(mol·K)
    the Avogadro constant NA 6.02214179Ã-1023 formula units/mol
    mass of an electron me 9.109382Ã-10-28 g
    5.4858Ã-10-4 amu
    mass of a proton mp 1.67262171Ã-10?24 g
    1.007276466 amu
    mass of a neutron mn 1.67492729Ã-10?24 g
    1.008664915 amu
    charge on an electron e -1.602176487Ã-10-19 C
    Boltzmann constant k 1.3806503Ã-10-23 J/K
    Faraday constant F 96485 C/mol of electrons
    Rydberg constant RH 1.096776Ã-107 m-1
    2.178688Ã-10-18 J
    3.288052Ã-1015 s-1

    de Broglie wavelength equation is lamda = h/mu

    HINT:
    Miles per hour is not the SI unit for velocity. Below are some useful relationships to obtain the velocity of the bullet in correct SI units.
    (1.609 km)/(1 mile) (1 mile)/(3600 s) (?10?^3 m)/(1 km)

    © BrainMass Inc. brainmass.com October 10, 2019, 5:24 am ad1c9bdddf
    https://brainmass.com/chemistry/stoichiometry/de-broglie-wavelength-rifle-bullet-504045

    Solution Preview

    First convert speed to SI unit.
    v = 1721 mph = 1721 miles / hours = 1721* ...

    Solution Summary

    It explains how to calculate the de Broglie wavelength of a Rifle Bullet in detail.

    $2.19