Determine the voltage near the surface of a 10.0 cm diameter sphere that has an excess of 8.00 nC of excess negative charge on it.

How much energy is stored by the electric field between two square plates, 9.1 cm on a side, separated by a 2.3-mm air gap? The charges on the plates are equal and opposite and of magnitude 15 nC. Express your answer using two significant figures and include the appropriate units. PE = Value Units Submit Request Answer * Previous Next 15:10 hp W 27/03/2022 2000 hp f6 4 f11 10 F12 f10 f7 II f5 f8 f9 insert prt sc ( 9- ) 0 & -backspa // 大 t6

An eletrostatic paint sprayer consists of a charged metal sphere. Charged paint droplets (the sign the same as the metal sphere) are shot towards the metal sphere using a paint gun. The paint droplets repel and move towards a grounded object that needs to be painted. In the figure below, an electrostatic paint sprayer has a 0.25 m diameter metal sphere at a potential Vsphere of 23 kV that repels paint droplets onto a grounded wall.  a) What charge is on the sphere? b)    What charge must a 0.14 mg drop of paint have to arrive at the object with a speed of 12 ms?

location A is 1.90 m to the right of a point charge q. Location B lies on the same line and is 5.80m to the right of the charge. The potential difference VB-VA = 31.0V. What is the magnitude and sign of the charge?

A spherical rain drop carries a charge of 3.200E−08 C and has a potential of 9.189E+04 V at the surface. a) Find the surface area of the drop assuming that the potential equals zero at infinity.

Ch 18 q3 In 1910 Rutherford performed a classic experiment in which he directed a beam of alpha particles at a thin gold foil. He unexpectedly observed a few of the particles scattered almost directly backward. This result was not consistent with then current models of atomic structure and led Rutherford to propose the existence of a very dense concentration of positive charge at the center of an atom—the atomic nucleus. The alpha particle has a charge of +2e and the gold nucleus a charge of +79e. Suppose that an alpha particle is initially a great distance from the gold, has a kinetic energy of 4.20 MeV (4.20  106 eV), and is headed directly at a gold nucleus. How close will the particle come to the center of the nucleus? Treat the nucleus and the alpha particle as point charges.

1. An eletrostatic paint sprayer consists of a charged metal sphere. Charged paint droplets (the sign the same as the metal sphere) are shot towards the metal sphere using a paint gun. The paint droplets repel and move towards a grounded object that needs to be painted. In the figure below, an electrostatic paint sprayer has a 0.2 m diameter metal sphere at a potential V sphere of 27 kV that repels paint droplets onto a grounded wall. Vwall =0 paint drop repelled to the wall V Vsphere Electrostatic Paint Sprayer (a) What charge is on the sphere? Qsphere (b) What charge must a 0.05 mg drop of paint have to arrive at the object with a speed of 14 S 9 drop C

An electrostatic paint sprayer has a 0.200 m diameter metal sphere at a potential of 22.0 kV. (a) What charge is on the sphere? C(b) Paint droplets initially at rest are dispensed from a paint gun. These droplets are then repelled by the paint sprayer toward the object to be painted. This object is grounded and therefore the electric potential is taken to be zero everywhere on the object. What charge must a 0.600 mg drop of paint have to arrive at the grounded object with a speed of 17.0 m/s? C