physics help
a There are two long, thin wires that carry currents in the positive z direction. Both wires are parallel to the z axis. One wire is in the x-z plane and it carries a current of 11 = 44 A. This wire is a distance of r1 = 3 m from the z axis. The other wire is in the y-z plane and it carries a current of 12 = 32 A. This wire is a distance of r2 = 5 m from the z axis. What is the magnitude of the net magnetic field at the origin in nano Tesla? 1.0 nano Tesla = 10-9 Tesla. Take the magnetic permeability, Ho # 4 x 10-7 T.m/A. Please round your answer to the nearest whole number (integer). HIL Equations: By = and 21 B: Holz 27 12 then Bnet (B3 + B) x 109 B?
An electromagnetic wave strikes an area of A - 4.81 x 10-4 m2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be Brms = 3.14 x 10-4 T. How long time in milliseconds, ms) does it take for the wave to deliver U = 3,455 J of energy to the wall? Note that 1.0 s = 1000 ms. Therefore, multiply your answer by 1000. Please round your answer to one decimal place. Equations: +- 11/26 SIA where P- XA c = 3.0 x 108 m/s and Ho = 4 x 10-7 I'm Tm А
A converging lens such as a magnifying glass has a radius of curvature of R = 14.1 cm. A letter in a book under this magnifying glass appears 4 times larger than its actual size. If the image is upright (i.e., virtual), how many centimeters is the book from the magnifying glass? Please round your answer to two decimal places Equations: + = } f Magnification, Note that 4 4
a There are two long, thin wires that carry currents in the positive z direction. Both wires are parallel to the z axis.
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a There are two long, thin wires that carry currents in the positive z direction. Both wires are parallel to the z axis.
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