Three equal point charges each with charge 1.15 are placed, Ask an Expert

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Q. Three equal point charges, each with charge 1.15 , are placed at the vertices of an equilateral triangle whose sides are of length 0.600 . What is the electric potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)

Q. At a distance of 3.7 m from a siren, the sound intensity is 3.50 10-2 W/m2. Assuming that the siren radiates sound uniformly in all directions, find the total power radiated.

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Category:- Physics
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