SI units
 

SI units problem 21


    • Define power.

    • Use the definition of power to show that the SI base units of power are


  • The intensity of a sound wave moving through a gas is given by




    where

    is the frequency of the wave,

    is the amplitude of the wave,

    is the speed of the wave and

    is a constant that depends on the gas.


    Determine the SI base units of .


 

main author and content editor: Joanah Frank