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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
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
Optimizing Camera Flash Performance: The Role of RC Circuits Homework Statement Consider the following circuit in a camera flash where a light bulb is in series with a charged capacitor: a) Derive, but do not solve, the governing differential equation for the circuit (Hint: treat the resistor and the light bulb as a single resistance ) b) Assume
Why N-Butane Isobutane Have Different Autoignition Flash Points The flash point of n-butane is -60 degree Celsius while that of isobutane is -83 degree Celcius I was confused by these Why does n-butane have a higher flash point but a lower autoignition temperature?
What caused the mysterious flash of light during 9 11 plane strikes? Tapes of the planes hitting the WTC towers clearly show a flash of light just as the nose of the plane touches the side of the building Four views of the second strike, and the one and only film capture of the first strike show this flash The conspiracy guy suggested it was an incendiary device to make sure that the fuel ignited upon impact
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?
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
What Caused the Strange Flash of Light in My Bedroom at 3:57am? (edit not the red light, that's my emergency power outage light in every frame, I'm referring to 3:57am and exactly 15 seconds, blink and you will miss it) turn up the volume Strange white yellow flash appeared in my room and the sound it made when the light hit my security camera sounded
Calculating the Flash Frequency in a Neon Lamp Circuit After the flash, the charging process will start once more since the voltage will again be low a Determine the flash frequency with the resistance value shown b Make a sketch of the voltage across the capacitor versus time in such a circuit, showing several periods C=4X10^-6 ε=110V Vc=75V R= 2 5 X 10-4 Homework Equations t=1 f T=RC Vc=ε