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Suppose that a particle accelerator is used to move two beams of particles in opposite directions. In a particular region, electrons move to the right at 7130 m/s and protons move to the left at 1681 m/s. The particles are evenly spaced with 0.0570 m between electrons and 0.0322 m between protons. Assuming that there are no collisions and that the interactions between the particles are negligible, what is the magnitude of the average current in this region?
The rod rotates with an angular speed of 150 radians/second about an axis that passes perpendicularly through its other end. Illustrate what is the magnetic moment of the rotating charge?
A 626g sample of water at 90 degrees is mixed with 441g of water at 30 degrees. What is the final temp of the mixture? Presume not heat is lost to the surroundings.
Find out the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
Coherent light that contains two wavelengths, 660 nm and 470 nm, passes by two narrow slits with a separation of 0.280 mm and an interference pattern is observed on a screen which is a distance 4.40 m from the slits.
A force of 78gm acts at the point (2, 3, 5) the direction cosines of its line of action being as 2:2:1 find the magnitude of its moment about the joining the origin to the point (2, 3, 4).
Iced tea is made by adding ice to 2.4 kg of hot tea, initially at 70?C. How many kg of ice, initially at 0?C, are required to bring the mixture to 10?C? (Lf = 3.33×105 J/kg, cw = 4,186 J/kg•? C)
Two identical positive charges exert a repulsive force of 7.4 x10-9 N when separated by a distance of 4.8 10-10 m. compute the charge of each.
An object with a net charge of 44 µC is placed in a uniform electric ?eld of 554 N/C, directed vertically. The acceleration of gravity is 9.81 m/s^2. What is the mass of this object if it ?oats in this electric ?eld?
Does current through a power supply increase when parallel bulbs are added? For example, if you have a circuit with one bulb and measure the current through the bulb to be 100 mA, what is the current through the power source when you add another b..
The current in a 51 resistor is 0.14 A. This resistor is in series with a 28 resistor, and the series combination is connected across a battery
A highway curve with a radius of 550 m is banked properly for a car travelling 130 km/h. If a 1660- kg Porshe 928S rounds the curve at 250 km/h, how much sideways force should the tires exert against the road if the car does not skid.
Calculate the volume charge density of the atmosphere
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