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The four wires that lie at the corners of a square of side a= 4.00 cm are carrying equal currents i= 2.30 A into (+) or out of (-) the page, as shown in the picture.
https://d2vlcm61l7u1fs.cloudfront.net/media%2F836%2F836590ca-bff6-4058-997a-d1c4ee72a64d%2FphpzIx0g4.png
Calculate the y component of the magnetic field at the center of the square.
Calculate the x-component of the force on a 1.0-cm long piece of the lower right-hand wire, due to the other three wires.
A person hums into the top of a well and finds that standing waves are established at frequencies of 44.0, 132.0, and 220.0 Hz. The frequency of 44.0 Hz is not necessarily the fundamental frequency. The speed of sound is 343 m/s. How deep is the well..
We use two circular metal plates of radius 0.51 m and thickness 6.3 mm to build a capacitor. What is the capacitance of this capacitor
The bonding of silicon in solids and molecules is qualitatively the same as that of carbon. Silicon atomic states become molecular states and in a solid, these effectively form the valence and conduction bands.
Assuming the Earth's magnetic field averages about 0.50×10?4 T near Earth's surface, estimate the total energy stored in this field in the first 7.0km
in rl ac curcuit.when the applied voltage is equal to 4.50 v the current also has a non-zero value. when the applied
A charged particle is injected at 261 m/s into a 0.0719-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
In Larry Niven's science-fiction novel Ringworld, a rigid ring of material rotates about a star. The inhabitants of this ring world live on the starlit inner surface of the ring, What is the length of a year on this planet
A car crashes into a wall at 25 m/s and its contents are brought to rest in 0.1s. display that the average force exerted on a 75-kg test dummy by the seat belt is more than 18,000 N.
A helicopter is ascending vertically with a speed of 5.45m/s. At a height of 141m above the Earth, a package is dropped from a window. How much time does it take for package to reach the ground.
A student sits on a swivel seat. Initially the student is at rest,holding a spinning bicycle wheel that has an angular velocity of14.2 rad/s (see figure below). The studentturns the spinning wheel upside down, reversing the direction ofits angular..
An average temperature of the rest of the universe
A soccer ball is kicked from the groundwith an initial speed of 19.9 m/s at anupward angle of 45°. A player 55 m away in the direction of thekick starts running to meet the ball at that instant. What must behis average speed if he is to catch the bal..
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