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Two 10 meter parallel wires are located at a distance 0.4 meter and carry 20 Amp current in opposite directions. Evaluate strength of the magnetic field at a point, which is 1meter away from each wire.
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Question: Red light of wavelength 633 nm from a helium-neon laser passes through a slit 0.400 mm wide. The diffraction pattern is observed on a screen 3.45 m away. Define the width of a bright fringe as the distance betw ...
Question: A) A sled is being pulled along a horizontal surface by a horizontal force F_vec of magnitude 600 N. Starting from rest, the sled speeds up with acceleration 0.08 {\rm m/s}^2 for 1 minute. B) Find the average p ...
The wind blows with a speed of 31.9 m/s over the roof of your house. Assuming the air inside the house is relatively stagnant, what is the pressure difference at the roof between the inside air and the outside air? Answe ...
Speedy Mike, driving at 32.0 m/s enters a one-lane tunnel. He then observes a slow-moving van 160m ahead traveling at 5.50 m/s. Mike applies his brakes but can accelerate only at -1.50 m/s^2 because the road is wet. Will ...
Question: A ring with radius R and a uniformly distributed total charge Q lies in the xy plane, centered at the origin. Part A: What is the potential V(z) due to the ring on the z axis as a function of z? Express your an ...
Question: Small birds can migrate over long distances without feeding, storing energy mostly as fat rather than carbohydrate. (Figure 1) Fat is a good form of energy storage because it provides the most energy per unit m ...
Question: The position of a particle is given by the expression x = (4.00m)cos(3πt + π), where x is in meters and t is in seconds. Determine (a) the frequency and period of the motion, (b) the amplitude of the motion, (c ...
Question: A proton has been accelerated from rest through a potential difference of -1350 V. What is the proton's kinetic energy, in electron volts? What is the proton's kinetic energy, in joules? What is the proton's sp ...
Question: You are experimenting with a radioactive sample of polonium. At the end of 14.0 minutes, exactly 1/16 of the polonium remains. What is the corresponding half life (T 1/2 ) of polonium? The response must be type ...
Blue-green light has a frequency of about 6.00 x 10^14 Hz. Determine its wavelength. Compare this wavelength to the size of an atom (about 10^-10 m) by calculating the ratio: wavelength/(atom size).
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