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Unexplained bright flash of light inside house - Physics Forums The first flash was so bright it immediately woke me up I thought somebody just shined a bright flash light in my face from inches away The second flash 5 seconds later, I was fully awake and sitting up and saw the reflection of it off the wall To me, it looked like an electrical spark or strobe light coming from closer to the ground level
Jet Fuel, JP-5, JP-8 DFM: Properties, Chemical Composition . . . JP-5 is a high-flash-point jet fuel developed by the Navy JP-5 is a specifically refined type of kerosene consisting of C9-C16 paraffins (53%), cycloparaffins (31%), aromatics (16%), and olefins (0 5%) The aromatic content of JP-5 might vary from less than 2 5% to greater than 22% by volume
Flash Point of Petrol Diesel: Pressure Self Ignition Flash point temperature of petrol is lesser than that of diesel at the same pressure Does this mean, if I take petrol and diesel as liquids in separate containers and heat them, rapid vapourisation (rapid enough to sustain a combustion) of petrol occurs at a lower temperature (fire point) than that of diesel?
How to calculate flash point of mixture? - Physics Forums Hey guys, I would like to create a mixture out of two liquids with an ideal flash point of around 70ºF The liquids I have to work with are 200 proof (100%) isopropyl alcohol (2-propanol) and aliphatic hydrocarbon mixture (aka hydrotreated petroleum distillates) What I'm looking for is the
How Does a Grenades Shockwave Cause Fatal Injuries? Stun grenades, or "flash bang" grenades, operate on this principle They produce a large blast but almost no shrapnel The noise and brightness of the flash are very disorienting, and the shock wave can actually knock a person down, but the chances of being killed by one, even at close proximity, are very slim
Flashing In And Out of Existence? - Physics Forums Quote: "And because reality is flashing in and out of existence (hypothetically at Planck time – 1044 times per second – as explained to me by The Resonance Project biophysicist William Brown), every time our reality oscillates between form and the pure energy state of the field our awareness, which is constant and doesn’t flash in and
Thermo: Principles behind temperature drop across a valve This operation is called a Flash vaporization Some of the liquid evaporates to produce some vapor, and the liquid and vapor leave the flash unit with a temperature lower than the liquid entering the throttle But the combined enthalpy of the liquid and vapor, even at the lower temperature, is the same as that of the liquid entering the throttle
Relativity Question with Lorentz tranformations - Physics Forums Homework Statement Observer O sees a red flash of light at the origin at t=0 and a blue flash of light at x = 3 26km at a time t = 7 63 \\mu seconds What are the distance and the time interval between the flasheds according to ovserver O', who moes relative to O in the direction of
Question on the speed of light. - Physics Forums Homework Statement An observer sees a lightning flash from a distant thunderstorm and 12 seconds later hears the second If the temperature of the air is 20 degress celsius, how far from the storm is the observer? (assume that light travels instantaneously Homework Equations None I