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Two parallel wires 10 cm apart carry currents of 18 A.
a What is the magnitude of the magnetic field at the a point halfway between them when they have the currents flowing in the same direction?
b What is the magnitude of the magnetic field at the a point halfway between them when they have the currents flowing in opposite directions?
c What is the magnetic force between two wires for both cases?
Gas in a cylinder similar to the one shown in the figure moves a piston with area 0.223 m2 as energy is slowly added to the system. find the displacement of the piston
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An electric blanket is connected to a 120-V outlet, What is the resistance of the heater wire in the blanket
A bar of length 2 cm slides along metal rails at a speed of 1 cm/s. The bar and rails are in a magnectic field of 2 T, pointing out of the page. what is the induced emf in the bar and rails
A viewing window in the Atlanta aquarium is 67 inches wide and 43 inches high. what is the outward force on the window
On a cold day, a heat pump absorbs heat from the outside air at 14°F (-10°C) and transfers it into a home at a temperature of 86°F (30°C)
An air puck of mass \(m_{1}\) is tied to a string and allowed to revolve in a circle of radius R on a frictionless horizontal table. determine the radial force acting on the puck
One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, find the speed of sound in the gas in the tube
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A shopper walks from the door of the mall to her car 250m down the line of cars, and then turns 90 degrees to the right and walks an additional 60 meters. What is the magnitude of the displacement of her car from mall door.
In a Certain Organic molecule, the nuclei of two carbon atoms are separated by a distance of 0.25 nm. What is the magnitude of the electric force between them
You are standing on the Royal Gorge Bridge, which is 284 meters from the water below. You throw a baseball straight up at 40 miles per hour. how long does it take to hit the water
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