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# Question 4 (3 Points) This assignment is set up for sequential assessment. Complete each question and...

###### Question:

Question 4 (3 Points) This assignment is set up for sequential assessment. Complete each question and submit the answer before moving on to the next question. Correct answers for each question will be made available once the maximum number of attempts have been made for each submission. Electric Field - 3 Point Charges on a Triangle Case 1 You will use a new approach to solve the previous problem in which three point electric charges are on a Triangle Case 1. Make sure the angle setting in your calculator is "Degree". sin 30º = 0.5 92 +y d23 0 ti 91 d13 Before putting anything at the origin o, 91 = +4.0 uc, q2 = -3.0 C, 14C, 10-6 013 = 0.40 m, angle a = 37° use k = 9.00 x 10°N/(m2c2) for Coulomb's constant (a) Calculate the magnitude of the electric field E1 at the original O produced by charge q1. Remember: MAGNITUDE is never negative. Don't use scientific notations. Round to integers. Enter a number NIC Submit (5 attempts remaining) What is the direction of the electric field E1 at the original O produced by charge q1? Report the direction by a counterclockwise angle from the +x axis. Round to integers. Enter a number Submit (5 attempts remaining) (b) Calculate the distance d23 between charge q2 and the origin O. Notice that point A in the figure is exactly halfway between charges 91 and 93. Keep 4 decimal places. Enter a number m Submit (5 attempts remaining) What is the magnitude of the electric field E2 at the original O produced by charge q2? Remember: MAGNITUDE is never negative. Don't use scientific notations. Round to integers. Enter a number N/C Submit (5 attempts remaining) What is the direction of the electric field E2 at the original O produced by charge q2? Report the direction by a counterclockwise angle from the +x axis. Round to integers. Enter a number Submit (5 attempts remaining)
To find the magnitude and the direction of the NET electric field at origin O by charges q1 and q2, you will need to do a VECTOR addition. Here you will be led through the steps. But in exams, you must be able to do steps without guidance. (c) Calculate the x component of field vector E1 Round to integers Enter a number N/C Submit (5 attempts remaining) Calculate the y component of field vector E1 Round to integers Enter a number N/C Submit (5 attempts remaining) Calculate the x component of field vector E2 Round to integers Enter a number N/C Submit (5 attempts remaining) Calculate the y component of field vector E2 Round to integers Enter a number N/C Submit (5 attempts remaining) (d) Calculate the x component of the NET electric FIELD at origin O by charges q1 and 42. Round to integers. Enter a number N/C Submit (5 attempts remaining) Calculate the y component of the NET electric FIELD at origin O by charges q1 and 72. Round to integers. Enter a number N/C Submit (5 attempts remaining) (e) Calculate the magnitude of the NET electric FIELD at origin O by charges q1 and 22. Round to integers. Enter a number N/C Submit (5 attempts remaining) Find the direction of the NET electric FIELD at origin O by charges q 1 and 22. Round to integers. Report the direction by a counterclockwise angle from the +x axis. Keep 1 decimal place. Enter a number Submit (5 attempts remaining)
92 ty d23 a ti 91 d13 93 Now put a point charge q3 at origin O. 43 = +5.0 4C, 1ục, = 106 (f) What is the magnitude of the NET electric FORCE on charge q3 by charges q1 and 42? Remember: MAGNITUDE is never negative. Keep 3 decimal places. Enter a number N Submit (5 attempts remaining) Find the direction of the NET electric FORCE on charge q3 by charges q1 and 42. Report the direction by a counterclockwise angle from the +x axis. Keep 1 decimal place. Enter a number Submit (5 attempts remaining) Now remove charge q3 from origin O, then put a point charge q3' at origin O. q3' = -18.0 uc, 14C, = 106c (g) What is the magnitude of the NET electric FORCE on charge q3' by charges q1 and 22? Remember: MAGNITUDE is never negative. Keep 3 decimal places. Enter a number N Submit (5 attempts remaining) Find the direction of the NET electric FORCE on charge q3' by charges q1 and 42. Report the direction by a counterclockwise angle from the +x axis. Keep 1 decimal place Enter a number Submit (5 attempts remaining) Insight: in this approach, when the electric charge q3 put at the origin O is changed, the NET electric field produced by charges q1 and q2 doesn't need to be recalculated.

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