Physics, 24.06.2019 12:30 abrown6758
21 22 23 24 25 time remaining 01: 34: 03 which shows the correct order of steps during the formation of an ionic bond? ions are attracted to each other → electrons are transferred → an ionic compound forms an ionic compound forms → ions are attracted to each other → electrons are transferred electrons are transferred → ions form → ions are attracted to each other ions form → electrons are transferred → ions are attracted to each other
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Physics, 21.06.2019 13:00
Why are some galaxies’ spectra blueshifted rather than redshifted? question 4 options:
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Physics, 22.06.2019 09:40
When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.
Answers: 1
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.
Answers: 3
21 22 23 24 25 time remaining 01: 34: 03 which shows the correct order of steps during the form...
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