18:03X> 2 ☺ TBriefly explain what is meant by the 'electrostatic fields in vacuum' ?Which two fundamental laws govern the behaviour of electrostaticfields ?The two laws are used to determine the electrostatic field due to acharge distribution. What advantage then does one law have over theother ?Coulomb's law is limited to the study of point charges. Explain what ismeant by a point charge ?Figure 1.1. Shows the position of two point charges Q₁ and Q2 from anorigin of a reference system.Add a caption...+4GA> Status (Custom)

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A dust particle of charge, q, and mass, m, is initially at rest in a uniform electric field with strength of magnitude, E. If the dust particle is then allowed to move freely, how long will it take for the particle to travel a distance, d, in a straight line? (Ignore gravity) a. (md/2qE)1/2 b. (2qEd/m)1/2 c. (qE/2md)1/2 d. (md/qE)1/2 e. (2md/qE)1/2
Review I Constants What is the force on the 1.0 nC charge in the figure?(Figure 1) Give the magnitude. Express your answer using two significant figures. VO AE Fon 1 = 1.8 • 10* -4 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B Figure 1 of 1 Give the direcion. Express your answer using two significant figures. 1.0 nC V ΑΣφ above horizontal 1.0 cm 1.0 cm 60° 60° Submit Request Answer 2.0 nC + 2.0 nC 1.0 cm < Return to Assignment Provide Feedback Pearson
Two charges +2 µC and +8 µC are placed along the z axis, with the first charge at the origin (z =0) and the second charge at z = +1 m. Find the magnitude and direction of the net force on a -2 nC charge when placed at the following locations below. Overall Hint Review Section 5.3 Coulomb's Law. Use Coulomb's Law to calculate force due to each of two charges and add them together for the net force, minding the directions. For part (c), you will need to do the vector sum (more below). a. halfway between the two charges: magnitude of force is direction is Select an answer b. on the axis at x = -0.5 m: magnitude of force is is Select an answer c. at the coordinate (x, y) = (1 m, 0.5 m) (half a meter above the +8 µC charge in a direction perpendicular to the line joining the two fixed charges): Hint for (c) This problem is fully 2-dimensional. The charge at x = 1 m exerts force along y direction; the charge at the origin exerts force along the line connecting (x, y) = (0,0) and (z,y) = (1…
Two charges +4 µC and +11 µC are placed along the x axis, with the first charge at the origin (x = 0) and the second charge at x = +1 m. Find the magnitude and direction of the net force on a -9 nC charge when placed at the following locations below. Overall Hint Review Section 5.3 Coulomb's Law. Use Coulomb's Law to calculate force due to each of two charges and add them together for the net force, minding the directions. For part (c), you will need to do the vector sum (more below). a. halfway between the two charges: magnitude of force is direction is Select an answer b. on the x axis at x = -0.5 m: magnitude of force is direction is Select an answer c. at the coordinate (x, y) = (1 m, 0.5 m) (half a meter above the +11 µC charge in a direction perpendicular to the line joining the two fixed charges): Hint for (c) Magnitude of force is degrees below -x axis. mN, and the direction is mN, and the mN, and the
11:05 < Back E_M_HW-2.pdf Dashboard +q 000 000 Calendar a 3 Pra 4) Four charges are an equal distance r from some origin. What is the direction of the electric field, E, at the origin, due to the four charges? Then what is the magnitude of E at the origin. Charge values are given in the picture. 12 国 To Do Q ام B Notifications Inbox
If Q= +23 nC in the figure above, what is the magnitude of the net force that it experiences?
5.) Protons can be approximated as spheres with a radius of about 8.5 x 10-16 m. Using Coulomb's law (which we saw at the beginning of the year), calculate the force required for two particles with the charge of one proton to be this far apart. While not exact, this gives a sense for how much force must be applied for the first step of this process to occur. Note: you will have to look up a couple of values here .. units are important, so it's probably best to work in Sl units.
Two charges +10 μC and +7 μC are placed along the x axis, with the first charge at the origin (x = 0) and the second charge at x = +1 m. Find the magnitude and direction of the net force on a -4 nC charge when placed at the following locations below. Overall Hint Review Section 5.3 Coulomb's Law. Use Coulomb's Law to calculate force due to each of two charges and add them together for the net force, minding the directions. For part (c), you will need to do the vector sum (more below). a. halfway between the two charges: magnitude of force is the direction is (in-x direction b. on the axis at x = -0.5 m: magnitude of force is direction is (in +x directio Hint for (c) c. at the coordinate (x, y) = (1 m, 0.5 m) (half a meter above the +7 μC charge in a direction perpendicular to the line joining the two fixed charges): Magnitude of force is mN, and the direction is mN, and degrees below-x axis. mN, and the