In a lightning flash the potential difference between a cloud and the ground is 1.0 x 10° V and the quantity of charge transferred is 30 C. a) What is the change in energy of that transferred charge? b) If all the energy released could be used to accelerate a 1000-kg automobile from rest, what would be its final speed? c) If the energy could be used to melt ice, how much ice would it melt at OOC? (heat of fusion of ice is 3.3 x 10* J/kg)
In a lightning flash the potential difference between a cloud and the ground is 1.0 x 10° V and the quantity of charge transferred is 30 C. a) What is the change in energy of that transferred charge? b) If all the energy released could be used to accelerate a 1000-kg automobile from rest, what would be its final speed? c) If the energy could be used to melt ice, how much ice would it melt at OOC? (heat of fusion of ice is 3.3 x 10* J/kg)
Chapter7: Electric Potential
Section: Chapter Questions
Problem 83P: A lightning bolt strikes a tree, moving 20.0 C of charge through a potential difference of 1.00102...
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Question
In a lightning flash the potential difference between a cloud and the ground
is 1.0 x 10 9 V and the quantity of charge transferred is 30 C.
a) What is the change in energy of that transferred charge?
b) If all the energy released could be used to accelerate a 1000-kg
automobile from rest, what would be its final speed?
c) If the energy could be used to melt ice, how much ice would it melt at
0⁰C? (heat of fusion of ice is 3.3 x 10 5 J/kg)
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