You break a piece of styrofoam packing material, and it releases lots of little spheres whose electric charge makes them stick annoyingly to you.
if two of the spheres carry equal charges and repel with a force of 21 mn when they’re 15 mm apart, what’s the magnitude of the charge on each?
Answers: 2
Physics, 21.06.2019 23:30
The pressure, volume, and temperature of a mole of an ideal gas are related by the equation pv = 8.31t, where p is measured in kilopascals, v in liters, and t in kelvins. use differentials to find the approximate change in the pressure if the volume increases from 14 l to 14.6 l and the temperature decreases from 375 k to 370 k. (round the answer to two decimal places.)
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Physics, 22.06.2019 08:00
If a balloon is taken outside on a very cold day, what will occur?
Answers: 1
Physics, 22.06.2019 17:30
You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.
Answers: 3
You break a piece of styrofoam packing material, and it releases lots of little spheres whose electr...
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