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Two identical positive charges are placed 24 cm apart and the magnitude of the electric force between them is 5.3 Newtons. They then exchange charge (one charge loses some electrons and the other gains the same amount of electrons), but they both still remain positive. After they have exchanged charge and are placed 24 cm apart the magnitude of the electric force is now 3.6 Newtons. How much charge, in micro-coulombs, was exchanged? Use the absolute value of the charge exchanged so the answer is positive.
Suppose a 76 kg person hangs vertically from a nylon rope. What radius must the rope have if its fractional increase in length is to be the similar as that of the spider's thread.
A rigid tank contains 1.20 moles of an ideal gas. Determine the number of moles of gas that must be with Illustrate from the tank to lower the pressure of the gas from 24.2 atm to 5.30 atm. suppose the volume of the tank and the temperature of the..
You slip a wrench over a bolt. Taking the origin at the bolt, theother end of the wrench is at x = 18 cm, y = 5.5 cm. What is the torque on the bolt
The electron makes a transition from the 1 to 4 level by absorbing a photon. Calculate the wavelength of this photon
A deuteron particle (the nucleus of an isotope of hydrogen consisting of one proton and one neutron and having a mass of 3.34×10?27 kg) moving horizontally enters a uniform, vertical, How fast was this deuteron moving just before it entered the mag..
what will be the induced emf magnitude in the short coil. A 77.9 kg fireman slides down a 4.13 m pole by applying a frictional force of 343 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches the ground.
Four particles are held in place at the corners of a square with sides of length L. Each particle has a charge q and mass m. (a) What is the potential energy of the system of charges.
A solid sphere is released from height h from the top of an incline making an angle ? with the horizontal. Calculate the speed of the sphere when it reaches the bottom of the incline in the case that it rolls without slipping
Calculate, using Newton's law of gravity, the magnitude of the force of attraction between the Earth and a mass of 16.000 kg on the Earth's surface
antennas for radio transmission and reception are particularly effective if theyre about a half-wavelength long. whats
In a movie, Tarzan evades his captors by hiding underwater for many minutes while breathing through a long, thin reed. calculate the deepest he could have been
An electron moving to the right at 0.900c collides with a positron moving to the left at 0.900c. What is the wavelength of the protons
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