Physics, 21.08.2019 20:30 bobthebattlebot
The density of water at 0ºc is very nearly 1000kg/m3 (it is actually 999.84 kg/m3), whereas the density of ice at 0ºc is 917 kg/m3. calculate the pressure necessary to keep ice from expanding when it freezes, neglecting the effect such a large pressure would have on the freezing temperature. (this problem gives you only an indication of how large the forces associated with freezing water might be.) (b) what are the implications of this result for biological cells that are frozen
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Physics, 22.06.2019 05:30
Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Physics, 22.06.2019 08:30
You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm
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Physics, 22.06.2019 16:30
Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
Physics, 22.06.2019 19:30
If the area of a square has increased by a factor of 16, by how much has each side increased?
Answers: 3
The density of water at 0ºc is very nearly 1000kg/m3 (it is actually 999.84 kg/m3), whereas the dens...
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