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Consider a house in Atlanta, Georgia, that is maintained at 22°C and has a total of 20 m2 of window area. The windows are double-door type with wood frames and metal spacers and have a U-factor of 2.5 W/m2· °C (see Prob. 9-78 for the definition of U-factor). The winter average temperature of Atlanta is 11.3°C. Determine the average rate of heat loss through the windows in winter.
A diffraction grating produces a first order bright fringe that is 0.226 m away from the central bright fringe on a flat screen which is 0.675 m away. What is the wavelength of the light shining on the grating
A 116 g stone is whirled in a horizontalcircle on the end of an 75 cm long string.The stone takes 1.3 s to make eachcomplete revolution. Determine the angle that the string makes withthe horizontal.
In an AC circuit containing a resistor of 1087 Ω and unknown coil, voltage reads 172 Volt and 39 mA. Determine what is the inductivity of the coil
A sodium surface, which has a work function of 2.46eV is illuminated with a wavelength = 300nm light. What is the deBroglie wavelength of these electrons
a thin rod with length l has a linear density that varies as d dmdx ax where a has units of kgm2so the density
A bungee jumper has a mass of 68 kg. If he jumps off a bridge that is 200. m high and uses a bungee cord that is 75 m long with a spring constant of 20. N/m
A ship sets out to sail to a point 156 km due north. An unexpected storm blows the ship to a point 118 km due east of its starting point. How far should it now sail to reach its original destination.
the solar year equinox to equinox is 365.2422 days not 365. 25 days. convert the difference to minutes and seconds.
A rock is shot up vertically upward from the edge of the top of the building. The rock reaches its maximum height 2 s after being shot. find how tall is the building
A car is traveling with a constant speed 80 miles per hour a road that makes half a circle. What is the velocity of the car
A particle undergoes uniform circular motion of radius 28.3 µm in a uniform magnetic field. The magnetic force on the particle has a magnitude of 1.45*1017 N. What is the kinetic energy of the particle?
find the work done to move the particle from x = 0 to x = 10.0 m by graphically determining the area under the F versus x graph. (Do this on paper. Your instructor may ask you to turn in this graph.)
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