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)

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
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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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)

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
ODC? (heat of fusion of ice is 3.3 x 10F J/kg)
Transcribed Image Text: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 ODC? (heat of fusion of ice is 3.3 x 10F J/kg)
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