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A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.14 m2 and whose thickness is 8 millimeter. Treat the wall as a slab of the insulating material Styrofoam whose area and thickness are 12 m2 and 0.10 meter, correspondingly. Heat is lost via conduction through the window and the wall. The temperature difference between the outside and inside is the similar for the window and the wall. Of the total heat lost by the window and the wall, compute what is the percentage lost by the window?
The sun produces energy by nuclear fusion reactions, in which matter is converted into energy. How many kilograms of matter does the sun lose each second
Two musics students are tuning their guitars before arehearsal. If one middle C (262Hz) and the other plays a C sharp(277Hz), what will the frequencty of the bear be
the electrical resistance on a long piece of wire is r. the wire is streatched to be twice as long and because the
A circular loop (radius= 17 cm) of wireis placed in a magnetic field that makes an angle of 30° withthe normal to the plane of the loop. The magnitude of this field increases at a constant rate from 30 mTto 36 mT in 15 ms.If the loop has a resista..
The gas in a cylindrical container has a pressure of 1.0 x 105 Pa and is at room temperature (293 K). What is the final temperature of the gas
Wildlife biologists fire 19g rubber bullets to stop a rhinoceros, charging at 0.83 m/s. The bullets strike the rhino and drop vertically to the ground. What impulse does each bullet deliver
Liquid Sodium leaves a nuclear reactor at 800°C and is used as the energy source in a steam power plant. Determine the maximum thermal efficiency of the power plant
a carnot engine whose cold reservior temperature is 262.09 in celsius has a thermal efficiency of 15.88. by how much
A sealed container contains 7 moles of neon gas at STP. Estimate the number of neon atoms having speeds in the range from 188.0 m/s and 192.0 m/s
work out the distribution for the total showing face up when apair of dice are thrown. what is the probable result, Find the standard deviation
Three long, parallel, straight wires pass through the vertices of an equilateral triangle that has sides L = 11.6 cm, as shown in the figure below. A a dot indicates that the direction of the current is out of the screen and a cross indicates that..
Calculate the rates of solar heating
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