Solved: A proton is released from rest at the positive
Chapter 25, Problem 25.38(choose chapter or problem)
A proton is released from rest at the positive plate of a parallelplate capacitor. It crosses the capacitor and reaches the negative plate with a speed of 50,000 m/s. The experiment is repeated with a He+ ion (charge e, mass 4 u). What is the ions speed at the negative plate?
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