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The in-floor radiant heating system is a common way to heat homes. There are two main designs: 1) electrical wires or 2) pipes of water are run throughout the underside of the floor/tiles. The electrical wires heat up when a current is applied. For the water system, water is usually boiled using natural gas and pumped through the pipes.
Using the concepts of heat transfer, explain how the in-floor heating system warms up our home. Start with the heat from the hot wire/pipe. How does the heat end up warming up the air in the home?
a point charge 4.20 uc is held fixed at the origin. a second point charge 1.60uc with mass of 2.80times10-4kg is placed
Assume that a wire of linear density = 0.157 kg/m sustains a tension of 340 N as it is being stretched between two poles that are 18.4 m apart. Assume also that one end of the wire is fixed to one pole, while the other is connected to a ring which..
An electric dipole with dipole moment P=(3.24 i + 4.30 j)(1.56 x 10^-30 C*m) is in an electric field E=(4055 N/C) i, What is the potential energy of the electric dipole
The normal force at the top of the circle is 122 Newtons. What is the normal force on the motorcycle on the side of the circle.
An electric heater operates when a potential difference of 55.0 V applies to a tungsten wire of total resistance of 10.0 Ohms. What is the electrical power output
You are watering your lawn with a hose when you put your finger over the hose opening to increase the distance the water reaches. what fraction of the hose opening did you block
When the flask and mercury are warmed together to a temperature of 52.0 degrees C , a volume of 8.35cm3 of mercury overflows the flask.If the coefficient of volume expansion of mercury is 1.8 * 10^-4 /K ,
You can determine the index of refraction of a substance by determining its critical angle. What would the critical angle be for this substance in air
An oil film (n=1.25) floats on water, and a soap film (n=1.333) is suspended in air. Find the minimum thickness for each that will result in constructive interference with 500-nm green light
A uniform beam of length x = 1.0m and mass 10kg is attached to a wall by a cable at angle θ = 30o to the horizontal, as shown in the figure. What is the tension in the cable
An air traffic controller observes two aircraft on his radar screen. the first is at altitude 850m, horizontal distance 19.1 and 26.00 degree south of west. The second aircraft is at altitude 1000m, horizontal distance 17.8km and 25.0 degree south of..
Find the net force on the Moon (mM = 7.35 × 1022 kg) due to the gravitational attraction of both the Earth mE = 5.98 × 1024, Determine the direction of the net force
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