A charge of -0.62 mc with an unknown mass hangs vertically, Ask an Expert

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A charge of -0.62 m/C with an unknown mass hangs vertically from a string. A uniform electric field, which runs parallel to the ground (in the + x direction) is then turned on. The charge then swings to an angle with the vertical of 41.7 degrees before coming to equilibrium again. When the field is on, the magnitude of the tension ion string is 14.8 Newtons. What is the Magntude of the elctric field in MN/C (1x10^6 N/C)?

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