Each of the respective electric fields at a point P due to charges 𝑄1 and 𝑄2 are as follows:
𝑄1 is E1 = 20i + 50j -30k N/C
𝑄2 is E2 = -20i - 60j +30k N/C
If a point charged body A having a charge 𝑄3 = 2C and mass m = 2 kg is placed at point P,
calculate:
a) The electric force acting on the point charged body, neglecting gravity?
b) If gravity is considered as g = 10j 𝑚/𝑠𝑒𝑐
2
, calculate the initial acceleration of the point
charged body A when placed at point P?
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