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1. What is skin effect? Discuss skin depth, giving some numerical values.
2. Why are low-frequency waves more suitable than high-frequency waves for communication with underwater objects?
3. Discuss the consequence of the low intrinsic impedance of a good conductor as compared to that of a dielectric medium having the same P and m.
4. Why can there be no fields inside a perfect conductor?
Water drips from the nozzle of a shower onto the floor 235 cm below. The drops fall at regular (equal) intervals of time, the first drop striking the floor at the instant the fourth drop begins to fall. Find the location of the third drop as measured..
A 201.9 kilogram satellite is in a circular orbit of 26,273 miles (42,300,000 meter) in radius. The force keeping the satellite in orbit is 46.3 Newton. Obtain what is the velocity of the satellite
A two-slit apparatus is covered with a red (643 nm) filter. When white light is shone on the filter, on the screen beyond the two-slit apparatus, how wide will that diffraction maximum be
A light ray in carbon disulfide is incident on ice at a15° angle of incidence. Discover the angle of refraction. The critical angle for a certain liquid-air surface is52°. Decide the index of refraction of the liquid and the speed of light in the liq..
A car at the Indianapolis-500 accelerates uniformly from the pitarea, going from rest to 285 km/h in asemicircular arc with a radius of 196m. Determine the radial acceleration of the car at this time
A pendulum has a length of 1.75 m. At a location where the acceleration due to gravity is 9.8 m/s2, what is the frequency of the oscillation? How long would the pendulum have to be so that the frequency would be half of the value found in part a?
If the light is mounted a distance of y = 3.90 m above the water, and the light strikes the water at a point that is x = 7.20 m horizontally from the end of the pier, determine the distance from the end of the pier to the point where the light str..
The mass of Mars is 640x10^23 kg and its radius is 337x10^6 m. (G =6.67*10^-11 Nm^2/kg^2) Calculate the acceleration of gravity at the surface of Mars.
A 900 sports car collides into the rear end of a 2500 SUV stopped at a red lightEvaluate what was the speed
What is the index of reflection for this prison
Find out an angular momentum of the system
A 53.5-g Super Ball traveling at 27.0 m/s bounces off a brick wall and rebounds at 19.0 m/s. A high-speed camera records this event. what is the magnitude of the average acceleration of the ball
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