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?
- NCSLv 71 month agoFavorite Answer
2. conservation of energy (potential to kinetic)
1. PE = q*V = 2e * 8.40kV = 16.8 keV = 2.688e-15 J
KE = 2.688e-15J = ½mv² = ½ * 4*1.67e-27kg * v²
v = 8.97e5 m/s
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