1. Determine the electricforce acting on an electron placed in a uniform north-to-south E-field of 8.0 x 10^4 N/C in vacuum.

2. A +10-uC test-charge at some point beyond a charged sphere experiences an attractive force of 40 uN. Please coompute the value of the E-field of the sphere at that point in a vacuum.

3. Two point-charges of +10 nC and -20 nC lie on the x-axis at point x = 0 and x = +10, respectively. Find the electric field on the axis at point x = +5.0m. Assume vacuum.

4. Part I. Positive point-charges of +20 uC are fixed at two of the vertices of an equilaterial triangle with sides of 2.0 m, located in vacuum. Determine the magnitude of the E-field at the third vertex.
Part II. Redo Part I, this time with charges of +20 uC and -20 uC at either end of the baseline (creating the field at teh remaining vertex).

5. A uniform field of 1.200 N/C pointing due north exists in a region of space. A point-charge of 6.00 x 10^-12C is then placed in that original field. What is the magnitude of the net field now at a point 20.0 cm due east of the charge?

6. Three point-charges are placed at teh corners of an isosceles triangle. At the left and right, end points of the base are +1.0 uC and +1.0 uC, respectively, and at the vertex +3.0 uC. The base of the triangle is 40-cm long, and the altitude is 30-cm high. Find the E-field at the midpoint of the baseline.

Two particles each have a mass of 5.4 x 10-2 kg. One has a charge of +4.8 x 10-6 C, and the other has a charge of -4.8 x 10-6 C. They are initially held at rest at a distance of 1.1 m apart. Both are then released and accelerate toward each other. How fast is each particle moving when the separation between them is one-half its

#1 A charge of -3.00 nC and a charge of -5.80 nC are seperated by a distance of 50.0 cm. Find the position at which a third charge of +7.50 nC can be placed so that the net electrostatic force on it is zero.
#2. A 7.5-nC charge is located 1.8 m from a 4.2-nC charge. Find the magnitude of the electrostatic force that one charg

Two positive chrages, when combined, give a total charge of +8.7 micro Couloumbs. When the charges are seperated by 3.00 meters, the force exerted by one charge on the other has a magnitude of 8.30E-3 Newtons. Find the amount of each charge.

Given two plane-parallel electrodes, space d, at voltages 0 and V_0, find the current density if an unlimited supply of electrons at rest is supplied to the lower potential electrode. Neglect collisions.

1) A charge +2q is placed at the origin and a second charge -q is placed at x = 3.0 cm. Where can a third charge +Q be placed so that it experiences a zero force?
2) A charge of -4.00 micro C is fixed in place. From horizontal distance of 55.0 cm, a particle of mass 2.50*10^-3kg and charge -3.00 micro C is fired

Two forces act on a slender bar that is pinned at (see attachment). The horizontal reaction at 0 is 5 lb to the right, the force F in lb is closes to which answer choise?
a) 25
b) 30
c) 15
d) 27
*Please see attachment for equations and diagram

The electric field strength 4.10 cm from a very wide charged electrode is 4000 N/C.
What is the charge (in nC) on a 2.00-cm- diameter circular segment of the electrode?

(See attached file for full problem description)
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1. Consider two infinite parallel plane conducting plates, of finite thickness, with separation d. Suppose a charge density of sigma; is placed on one plate, while the other plate has -2sigma.
A) Determine the resulting charge densities on each of the 4 surfaces
B) De

The forces affecting trade in global markets include sociocultural forces, economic and financial forces, legal and regulatory forces, and physical and environmental forces. What can business do to prevent unexpected problems in dealing with these forces in global market?
Thank you.

See attached file.
1. An electron is released a short distance above Earth's surface. A second electron directly below it exerts an electrostatic force on the first electron just great enough to cancel the gravitational force on it. How far below the first electron is the second?
2. Three charges are arranged as shown in