Яндекс.Метрика

Sunday, December 20, 2015

What is the potential difference V?

3. A helium nucleus is accelerated from rest through a potential difference V to a kinetic energy of X ∙ 10⁻¹³ J. 
What is the potential difference V?
X is some number.

Answer:


V = E/q = E/(2e) = X ∙ 10⁻¹³ J / (2∙1.60×10⁻¹⁹ C) = 0.312X MV

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