Anonymous
Anonymous asked in Science & MathematicsPhysics · 1 month ago

Physics question ?

1. Determine the maximum speed an alpha particle could obtain if it moves from rest through a potential difference of 8.40 kV. 

2. What physics principle did you use to solve this question?

1 Answer

Relevance
  • NCS
    Lv 7
    1 month ago
    Favourite answer

    2. conservation of energy (potential to kinetic)

    1. PE = q*V = 2e * 8.40kV = 16.8 keV = 2.688e-15 J

    so

    KE = 2.688e-15J = ½mv² = ½ * 4*1.67e-27kg * v²

    v = 8.97e5 m/s

    If you find this helpful, please select Favorite Answer!

Still have questions? Get answers by asking now.