Pi P2 Escolha uma opção: O →, +, → O +,→, + O +,+,→ O +,+,+ O +,→, -→

A pair of unlike charges equal in magnitude and separated by a small distance is known as a dipole. Such a pair is situated on the x axis at equal distances from the origin as shown in the figure below. Use the direction rosette to answer the questions. ΧΑ 8 + * D E B 3 +q -9 5 9 zero magnitude (a) What is the direction of the net electric field at location C due to both charges? 5 X Did you consider the symmetry of the situation? What is the net contribution to the field from the y components of the field from each charge? (b) What is the direction of the net electric field at location D due to both charges? ---Select--- v (c) What is the direction of the net electric field at location E due to both charges? ---Select--- ✓ Additional Materials Reading 7

A 1.86  10-9 C charge has coordinates x = 0, y = −2.00; a 3.21  10-9 C charge has coordinates x = 3.00, y = 0; and a -5.20  10-9 C charge has coordinates x = 3.00, y = 4.00, where all distances are in cm. Determine magnitude and direction for the electric field at the origin and the instantaneous acceleration of a proton placed at the origin. (a) Determine the magnitude and direction for the electric field at the origin (measure the angle counterclockwise from the positive x-axis). magnitude   direction  ° (b) Determine the magnitude and direction for the instantaneous acceleration of a proton placed at the origin (measure the angle counterclockwise from the positive x-axis). magnitude   direction  °

An electron and a proton are fixed at a separation distance of 859 nm. Find the magnitude E and the direction of the electric field at their midpoint. The direction E = N/C

A small negatively charged particle is placed between two charged plates. The mass of the particle is m = 7.5 µg and its charge is q = -2.5 nC. The left plate is positively charged and the right plate is negatively charged. (a) Draw the direction of the electric field between the plates on the diagram below. (b) In which direction does the particle move? ( (c) The plates produce a uniform electric field with magnitude E 120 N/C. Calculate the force acting on the particle. (d) What is the particle's acceleration? For parts (c) and (d), include both magnitude and direction. + + + + + 111111 1

The figure shows two points near to two charges. Compare the electric field strengths E1 and E2 at these two points. Is E1 > E2 , E1 = E2 , or E1 < E2 ?

A proton is suspended vertically (on earth) by an electric field. How strong is the field?

A particle with charge +4 nC (a nanocoulomb is 1 x 109 C) is located at the origin. What is the electric field due to this particle at a location m? 7 E = N/C

I need help for these questions, I am studying for the physics exam and I couldn't solve this questions which are in the study plan of physics-102. Thanks in advance.