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Questions and answers by
TheShamGod
Questions (5)
A 12V car battery puts out 5400J of energy each second. How many coulombs of charge does this battery put out in one second?
1 answer
592 views
A guitar string vibrates at 400 Hz and has a length of 0.8 m. Find the new frequency if
a. the string is lengthened to 0.9 m. b.
1 answer
1,331 views
How long will it take, in minutes, for a transformer to transfer 2.3 X 10^6 J of energy from a 120-V circuit to a 345-V circuit
4 answers
793 views
Which of the following situations is a result of resonance?
a. Hydro wires "hum" as a mild breeze blows over them. b. A child
1 answer
959 views
On a good night, the front row of the Twisted Sister concert would surely result in a 120 dB sound level. A Walkman produces 100
1 answer
616 views
Answers (2)
so it would be 2.3 x 10^6 = 345 V x 1.5 amp x time? then where would the 120 V come in
Not sure but I think it is prmary
