Physics, 25.05.2020 23:59 onwugbonup
7. A stereo is able to convert 20% of its electrical energy into sound. If 1000 J of sound energy is produced, calculate the electrical energy used [Show all work].
8. A vehicle is only 18% efficient. How was the other 82% of the energy lost?
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7. A stereo is able to convert 20% of its electrical energy into sound. If 1000 J of sound energy is...
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