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Physics, 22.06.2019 02:00
An object has a weight of 500 on earth what is the mass of this object
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Physics, 22.06.2019 03:00
The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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Physics, 22.06.2019 10:50
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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Physics, 22.06.2019 12:50
The heliocentric and the geocentric models of the solar system included these central principles
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If the rest energies of a proton and neutron (the two constituents of nuclei) are 938.3 and 939.6 Me...
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