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Question: A point charge q1 is held stationary at the origin. A second charge q2 is placed at point a, and the electric potential energy of the pair of charges is 5.4 x 10^-8J. When the second charge is moved to point b, the electric force on the charge does -1.9x10^-8J of work. What is the electric potential energy of the pair of charges when the second charge is at point b? Please explain the answer briefly.
Evaluate and compare the effectiveness of computer-maker Dell's just-in-time process and Toyota's lean manufacturing practice.
How many turns of wire would be required to make a 130-mH inductor out of a 29.0-cm-long air-filled solenoid with a diameter of 5.1cm ?
Two spherical objects with a mass of 5.89 kg each are placed at a distance of 2.16 m apart. How many electrons need to leave each object
Two nanowires are separated by 1.6 nm as measured by STM. Inside the wires the potential energy is zero, but between the wires the potential energy is greater than the electron's energy by only 1.4 eV.
A stone is thrown vertically upward with a speed of 24.0 m/s. Find how much time is required to reach this height
A 52.0-kg projectile is fired at an angle of 30.0 degrees above the horizontal with an initial speed of 1.24 x 102 m/s from the top of a cliff 150 m above level ground, where the ground is taken to be y = 0. What is the initial total mechanical ene..
Sketch a process flow that would result in the structure shown in Figure by drawing a series of drawings similar to those in this chapter.
A 240g ball and a 130g ball are connected by a 32 cm-long massless, rigid rod. The structure rotates about its center of mass at 150rpm.
A double convex lens (convex on both sides) is made of glass with an index of refraction of 1.60. What is the magnitude of the larger radius
A log is floating on swiftly moving water. A stone is dropped from rest from a 72.0-m-high bridge and lands on the log as it passes under the bridge. what is the horizontal distance between the log and the bridge
Two point charges, +5.0 µC and ?2.0 µC, are separated by 4.0 m. What is the electric potential energy
A light bulb is connected to a 60 Hz power source having a maximum voltage of 151 V. What is the resistance of the light bulb that uses an average power of 64.9 W
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