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Can you elaborate?
I have some physics hw and was wondering if there is a formula but I have a thorough question :The potential diﬀerence between a storm
cloud and the ground is 1.9 × 10^8 V.
If a bolt carrying 1 C falls from a cloud to
Earth, what is the magnitude of the change of
potential energy of the charge?
Answer in units of J
I looked through my notes and saw v=IR but I don't think that applies
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Give me a few minutes and I'll come back to this one...eating :)
No prob thanks!
Ok, here's how you'd calculate it:
\[\Large \Delta PE = q_0\Delta V = (1C)(1.9x10^8V)=1.9x10^8J\]This formula should be in your book somewhere. This one just happens to work out easily since it's only 1C :)