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Kevlar is a type of aramid fiber known for its high strength and heat resistance, commonly used in body armor and protective gear. PE, or polyethylene, is a type of thermoplastic polymer that is also used in body armor due to its high strength and light weight. The main difference is in their molecular structure and manufacturing process, with Kevlar being more heat resistant and PE being lighter.
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What is the difference in Joules in the gravitational potential energy of a 7.75 kg book that is 1.50 m above the ground and a 9.53 kg book that's is 1.75 m above the ground?
To calculate gravitational potential energy, the formula is PE = mgh, where m is the mass, g is the acceleration due to gravity, and h is the height. In this case, the difference in potential energy between the two books is: PE = (m1gh1) - (m2gh2). Plugging in the values we have, we can calculate the difference in Joules.
Who invented the Kevlar bulletproof vest?
There are actually multiple people who warrant credit for the invention of the Kevlar bulletproof vest. The DuPont corporation developed Kevlar material. Richard Armellino marketed a Kevlar vest called the K-15 in 1975 and Richard Davis the first all Kevlar vest in 1976.
Can magnets react to kevlar?
No, magnets do not react to Kevlar because Kevlar is not a magnetic material. Magnets only attract materials that contain iron, nickel, or cobalt. Kevlar is a strong and heat-resistant synthetic fiber used in body armor and other protective gear.
Who invented the kevlar vest?
Stephanie Kwolek, a chemist at DuPont, is credited with inventing Kevlar in 1965. Kevlar is a strong synthetic fiber used in protective gear such as bulletproof vests. Kwolek's discovery has saved the lives of many people in law enforcement and military fields.
What is the difference between PE and KE?
PE or Potential Energy is the stored energy an object has based on its relative height or shape.KE or Kinetic Enregy is energy in motion, or energy based on how fast an object is moving.They may also be written as EP and EK.
Difference between PE and HDPE pipes?
what is the difference between the PE pipe and HDPE pipe.
Is there a difference between PE and sports?
PE is physical education so I say it isn't
What is the difference between normal kickball and the PE version?
there are corners in the P.E one understand
What is the difference between Sudafed and Sudafed pe?
The difference between Sudafed and Sudafed PE is that Sudafed contains pseudoephedrine and Sudafed PE contains phenylephrine. While phenylephrine doesn't work quite as well as a decongestant, it is the most common decongestant ingredient in cold and sinus formulations, due to the fact that people were using pseudoephedrine to make the illegal drug methamphetamine.
What is the difference between SoC and NoC?
System on chip- has custom IF, custom PE to PE protocol, direct communication. Network-on-chip has router IF, packet based protocol, wormhole communication
What's the difference in software between PE Design version 7 and version 8?
The lite version does not have file exporting.
What is the difference in PE pellets and PVC pellets?
one is made out of PE, the other is made out of PVC
What is the difference between a silo and a tank?
There is no difference. Both are usually round, both some times are open top, a silo is a tank. PE API650 Tank Engineer 2007
Is kevlar a hydrogen bond?
No, Kevlar is not a hydrogen bond. Kevlar is a synthetic fiber made of a strong, heat-resistant polymer matrix. Hydrogen bonds are weak electrostatic interactions between hydrogen atoms and electronegative atoms like oxygen or nitrogen.
What is the difference in Joules in the gravitational potential energy of a 7.75 kg book that is 1.50 m above the ground and a 9.53 kg book that's is 1.75 m above the ground?
To calculate gravitational potential energy, the formula is PE = mgh, where m is the mass, g is the acceleration due to gravity, and h is the height. In this case, the difference in potential energy between the two books is: PE = (m1gh1) - (m2gh2). Plugging in the values we have, we can calculate the difference in Joules.
What is the difference between kevlar and nylon?
Nomex is not a brand name of Kevlar. Nomex and Kevlar are both trademarked names for different, although similar, composite fibers. They are both ring compounds based on benzene. The difference is that Kevlar has para-oriented aromatic rings, making it about five times stronger than Nomex. Nomex has meta-oriented rings with 120-degree bond angles, which helps it not melt at high temperatures. That's why Kevlar is used for bullet-proof vests and Nomex is used for firefighter uniforms.http://www.stockcarscience.com/scienceTopics/scsDriverSafety_Firesuit.php
What is the difference between Mucus Relief DM and Mucus and Sinus Relief PE?
DM stands for DextroMethorphan which is a cough suppressantPE stands for PhenylEphrine which is a decongestant
