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haganmc

  • 3 years ago

A proton is released from rest at the positive plate of a parallel-plate 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 ion's speed at the negative plate?

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  1. haganmc
    • 3 years ago
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    What does 4u mean?

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