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Physics, 02.03.2021 14:30 tacowilliam20
a constant force F=(5i+3j-2k)N moves a particle from position r1 =(2i-j+4k)m to a position r2=(3i+5j+k)m. calculate the work done by the force
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Physics, 21.06.2019 23:30, izzyisawesome5232
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Physics, 22.06.2019 10:50, afonseca73
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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a constant force F=(5i+3j-2k)N moves a particle from position r1 =(2i-j+4k)m to a position r2=(3i+5j...
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