What should the potential difference between the plates

Reference no: EM1318866

Q1. A loudspeaker of mass 25 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equivalent angles with the ceiling. Each cable has a length of l = 3.50 {rm m}.

Q2. A parallel-plate air capacitor is made from two plates 0.070 m squared, spaced 9.20mm apart. What should the potential difference between the plates be to produce an energy density of?

Reference no: EM1318866

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