What is the electric potential energy u of the system

Reference no: EM1323211

Q1. A man pushes a lawn mower on a level lawn with a force of 187 N. If 51 percent of the force is directed horizontally, how much work is completed by the man in pushing the mower 7.0 m?

Q2. Three equal point charges, each with charge 1.40 mu C, are placed at the vertices of an equilateral triangle whose sides are of length 0.650 m. What is the electric potential energy U of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)

Reference no: EM1323211

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