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Problem: Suppose a speck of dust in an electrostatic precipitator has 2.0×1012 protons in it and has a net charge of -53 nC (an extremely large charge for a small speck).
Part A: How many electrons does it have?
I don't understand how to get the answer. Can you please help me with this problem?
Imagine a spherical planet of radius R and an average density of 5.0*10^3 kg/m3; this is approximately the average density of the Earth. What is the radius of the planet
a dirt bike racer is going up a 45o slope. he and the dirt bike have a combined mass of 184 kg and the knobby tires
Assuming that air resistance is simply a constant 91 N force on the person during the fall, identify the person’s velocity just be- fore hitting the net.
Find the use of an NPN common emitter transistor, advantage of direct - coupled amplifier and bandwidth of an amplifier.
a circular conducting loop with a radius of 1.0m and a small gap filled with a 10.0ohm resistor is oriented in the xy-plane. what is the magnitude of the current that will be caused to flow in the conductor
As a baseball is being thrown, it goes from 0.0 to 40.0 m/s in 0.17 s. What is the acceleration of the baseball
two stationary positive point charges charge 1 of magnitude 3.20nc and charge 2 of magnitude 1.50nc are separated by a
Two Earth satellites, A and B, each of mass m, are to be launched into circular orbits about Earth's center. Find the ratio of the potential energy of satellite B to that of satellite A, in orbit
consider two identical 43 microcoulomb point charges placed 89 cm apart. let there be a 1 nc 1 nanocoulomb 1e-9
For an electromagnetic wave with maximum electric field of 1400V/m , and wavelength of 490nm. What is the intensity of the wave described
a horizontal circular platform m 96.1 kg r 3.03m rotates about a frictionless vertical axle. a student m 79.3kg
two small beads having positive charges 3q and q are fixed at the opposite ends of a horizontal, insulating rod, extending from the origin to the point x=d. a third small chatged bead is free to slide on the rod. at what position is the third bead..
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