Three charges are positioned at the corners of a parallelogram as shown below. YA 1.0 m -3Q N/C 30° N -3.0 m (a) If Q = 9.5 µC, what is the electric field (in N/C) at the unoccupied corner? 2Q (b) What is the force (in N) on a 2.8 µC charge placed at this corner?
Three charges are positioned at the corners of a parallelogram as shown below. YA 1.0 m -3Q N/C 30° N -3.0 m (a) If Q = 9.5 µC, what is the electric field (in N/C) at the unoccupied corner? 2Q (b) What is the force (in N) on a 2.8 µC charge placed at this corner?
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Step 1: Outline the steps to solve the problem
VIEWStep 2: Write expression for electric field due to a point charge.
VIEWStep 3: Find distances of charges from unoccupied corner.
VIEWStep 4: Find electric field due to charge Q at the unoccupied corner.
VIEWStep 5: Find electric field due to charge 2Q at unoccupied corner
VIEWStep 6: Find electric field due to charge -3Q at unoccupied corner
VIEWStep 7: Use superposition principle to find net electric field at unoccupied corner
VIEWStep 8: Find force on a charge placed at this corner
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