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Different types of wire are rated according to their gauge. Each gauge corresponds to a different cross-sectional area bya complicated formula that is unimportant for our purposes. In the American Wire Gauge (AWG) system, the smaller thegauge, the larger the diameter of the wire. A #10 AWG wirehas a diameter of 0.100 in. The Underwriters Laboratories,Inc. (UL), which sets many safety standards for the United States,requires that this gauge of copper wire should carry no more than55.0 A in power transmission applications in order to prevent thepossibility of it becoming too hot and causing a fire.a. What is the resistance of 1,000.0 ft of #10 AWG copperwire?b. At what rate would heat energy be dissipated by this lengthof #10 AWG copper wire if it is required to carry the maximum ratedcurrent of 55.0 A?
Three objects are connected on the table as shown in figure. The table is rough and has a coefficient of kinetic friction of 0.350. The objects have masses of 4.00 kg, and 2.00 kg, as shown, and the pulleys are frictionless.
The drawing shows a 182-kg crate hanging from the end of a steel bar. The length of the bar is 0.08 m, and its cross-sectional area is 4.00 10-4 m2. Determine the shear stress on the bar
A roller coaster having a total mass (including passengers) of 500 kg travels freely along a winding, frictionless track. Point A, E, and G are horizontal straight sections, what is the height of that point above the ground
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. How far short of the target should it drop the package
A certain kind of glass has an index of refraction of 1.660 for blue light of wavelength 430 nm, what is the angle between the two beams inside the glass
As a dilligent physics student, you carry out physics experiments at every opportunity. At this opportunity, you carry a 1.35-m-long rod as you jog at 3.05 m/s, holding the rod perpendicular to your direction of motion. What is the strength of the..
using momentum newtons first law of motion and or newtons second law of motion explain how a rocket is launched deep
Converting sunlight to electricity with solar cells has an efficiency of 15%. It's possible to achieve a higher efficiency (though currently at higher cost) by using concentrated sunlight as the hot reservoir of a heat engine. What is the theoreti..
an infinite nonconducting sheet has a surface charge density s 5.40 pcm2.a how much work is done by the electric field
The during an Apollo moon landing, reflecting panels were placed man the moon. find the distance between the astronomers and the moon
A 86.3-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.63 rad/s. Find the angular velocity of the platform with its load
While looking through the Mt. Palomar telescope, you discover a large planetary object orbited by a single moon. calculate the density of Planet Hephaestus
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