2,450 Joules, kinetic energy is 1/2 mass x velocity squared.
Answer:

Explanation:
h = Planck's constant = 
c = Speed of light = 
E = Energy = 
Wavelength ejected is given by

The maximum wavelength in angstroms of the radiation that will eject electrons from the metal is 
Answer:
An acid is a compound that increases hydrogen ions (H+) when it is dissolved in a solution.
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