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anonymous
 5 years ago
A particular type of automobile storage battery is characterized as "207  Ampere  hour, 9.4 V."
What total energy can the battery deliver?
Answer in units of J.
anonymous
 5 years ago
A particular type of automobile storage battery is characterized as "207  Ampere  hour, 9.4 V." What total energy can the battery deliver? Answer in units of J.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Power is Current times Voltage (P = I * U)  So the accumulator is able to store a maximum of 207 Ah * 9.4 V = 1.946 kWh. Your answer needs to be given in Joule  which is a Wattsecond, so 1.946kWh are 1946 * 3600 = 7 MJ

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Megajoule  it's 1 000 000 Joule Take a look at this: http://en.wikipedia.org/wiki/SI_prefix these are very common and you will most likely have to remember them at some point ;)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The answer was correct

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Are you good at finding resistance of wires, if you have the resistivity, length, and diameter?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i don't know  it's usually not _that_ hard, i think... Just state your question and i will try. But maybe open an extra one, so everybody can see it  in case, i don't know the answer ;)
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