is the net charge on a sphere that has the following? (a)    6.33  106 electrons and 7.71  106 protons (b)    215 electrons and 111 protons

What is the magnitude of the electric field needed for a proton to gain an acceleration of 500,000 m/s?? The charge of a proton is 1.6 x 10 19 C and the mass of an electron is 1.67 x 107 kg. 4.79x 10N/C 4900.000 N/C 3.21 N/C 0,0052 N/C

Two point charges each with 0.15 CC of charge are 5.0×10−2 mm apart. Knowing that k is 9×10^9N⋅m^2/C  (the proportionality constant for Coulomb's law), find the force between the charges. Express your answer to two significant figures and include the appropriate units.

1. Compute the electric field at a point 2.0 cm from q2 along a line running toward q3 in the figure. Express the answer in component notation y 91 = -10 μC 0.10 m X 94 = +5.0 μC 0.10 m 0.10 m 92 –10 μ.C 0.10 m 3 = +5.0 μC

1.  Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to form a charge of −9.10 nC? electrons (b) How many electrons must be removed from a neutral object to leave a net charge of 0.520 µC? electrons   2. What net charge would you place on a 412 g piece of sulfur if you put an extra electron on 1 in 1012 of its atoms? (Sulfur has an atomic mass of 32.1.)   4. What is the repulsive force between two pith balls that are 10.0 cm apart and have equal charges of −39.0 nC?-------N   6.How far apart (in mm) must two point charges of 65.0 nC (typical of static electricity) be to have a force of 5.50 N between them?     7. a.What is the direction of this force (away from or toward the +6 µC charge)? away from the +6 µC chargetoward the +6 µC charge ---------mm A test charge of +9 µC is placed halfway between a charge of +6 µC and another of +7 µC separated by 17 cm. (b) What is the magnitude of the force (in N)…

1. A charge of 2.00 uC is placed at the origin, and a charge of 8.00 C is placed at x =2.00 m. Locate the point between the two charges

03. The distance between two charges q1 = + 2 μC and q2 = + 6 μC is 15.0 cm. Calculate the distance from charge q1 to the points on the line segment joining the two charges where the electric field is zero. Express your answer in cm with 3 - significant figures.