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Two stationary point charges of 4 nC and 2 nC are separated by a distance of 60 centimeter. An electron is released from rest at a point midway between the charges and moves along the line connecting them. Estimate the electric potential energy of the electron when it is at the midpoint?
a helium tank holds 0.62m^3 of heliumat a pressure of 910 kPa. What volume would the helium occupy
The position of a particle moving along an x axis is given by x = 22t2 - 3.0t3, where x is in meters and t is in seconds. Determine the position, velocity, and acceleration of the particle
Consider an electron in the n = 7 state hydrogen. What is the magnetic field produced by this current loop at the nucleus
A bead of mass m = 6.00 kg is released from point A, Determine the net work done by the force of gravity in moving the bead from A to C
A uniform electric field of magnitude 249 V/m is directed in the negative y direction. A +13.4 ?C charge moves from the origin to the point (x, y) = (15.0 cm, 50.8 cm)
The slit spacing is 0.20nm and the wavelength of the light is 600nm. What is the distance from the slits to the screen
A pair of speakers separated by 0.700m are driven by the same oscillator at a frequency of 658 Hz. An observer, originally positioned at one of the speakers, begins to walk along a line perpendicular to the line joining the speakers.
a. questions for weekly discussions and conversations not part of the required discussion board assignmentthese
An engine does 20000 J of work and rejects 6120 J of heat into a cold reservoir whose temperature is 285 K. What would be the smallest possible temperature of the hot reservoir.
Wire is often delivered wrapped on a large cylindrical spool. Suppose such a spool is supported by resting on a horizontal metal rod that is pushed through a hole that runs through the center of the spool. A worker is pulling some wire off the spo..
She pumps the handle up and down, slowly lifting the car. What is the force exerted on the small piston during each downward stroke?
A positive point charge is placed in a region of space where there is an electric field. If the charge is released from rest it will accelerate in a direction where the electric potential is. A negative point charge is placed in a region of space w..
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