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andfan(a).betA05]1. Three point charges are placed at the followingpoints on the X-axis : 2C at x 0, -3C atx 40 cm and -5C at x = 120 cm. Calculate theforce on the - 3C charge.(Ans. 0.5485 N, towards left)+20CM -34C-54Co40 cm120 cmF |
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Answer» Fe= (-9.0 * 10^9) * (2.0 * 10^-6)(3.0 * 10^-6) / 0.40^2= -54 * 10^-3 / 1.6 * 10^-1= -0.3375 N Fe= (-9.0 * 10^9) * (-5.0 * 10^-6)(3.0 * 10^-6) / 0.80^2= 135 * 10^-3 / 6.4 * 10^-1= -0.2109 N a = -0.55N |
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