Physics, 30.03.2021 20:50 ultimatesaiyan
Calculate the gravitational energy gained by 0,1kg mass raised vertically by 1m g = 10 N/kg
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Asheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200oc and is permitted to achieve a steady-state diffusion condition. the diffusion coefficient for nitrogen in steel at this temperature is 6 x 10- 11 m2 /s, and the diffusion flux is found to be 1.2 x 10-7 kg/m2 -s. also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3 . how far into the sheet from this high-pressure side will the concentration be 2.0 kg/m3 ? assume a linear concentration profile.
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Give an example in which the electrical energy changes to light energy
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Asample of a gas in a rigid container has an initial pressure of 5 atm at a temperature of 254.5 k. the temperature is decreased to 101.8 k. what is the new pressure?
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Calculate the gravitational energy gained by 0,1kg mass raised vertically by 1m g = 10 N/kg...
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