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a subway train has a sound intensity level of 90 db and a rock band has a sound intensity level of about 110 db how
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1show that the resistance that is equivalent to two resistances in parallel can be written2 what happens when you cut a
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a current of 150 a flows in a conductor for 60 s how much charge passes a given point in the conductor during this time
what is the voltage of the 025-c charge in exercise 7exercise 7a current of 150 a flows in a conductor for 60 s how