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It is the most primitive (in-shape) projectiles that are hardest to defend against. A KE penetrator requires an enormous thickness of steel, or a complex armour array to protect against. They also produce a much larger diameter hole in comparison to a shaped charge and hence produce a far more extensive behind armour effect.
The principle of the kinetic energy penetrator is that it uses its kinetic energy, which is a function of its mass and velocity, to force its way through armor. If the armor is defeated, the heat and spalling (particle spray) generated by the penetrator going through the armor, and the pressure wave that develops, ideally destroys the target.
The adjective kinetic has its roots in the Greek word κίνησις kinesis, meaning "motion".The dichotomy between kinetic energy and potential energy can be traced back to Aristotle's concepts of actuality and potentiality.
The crossbow as a weapon had been around long before Leonardo's designs. However, his designs made the weapon more advanced and why Leonardo's crossbows stands out. If a crossbow is designed with a narrower shaft and a tapered bolt, which adjusts the nocking of arrows, it greatly improves the airflow of the bow and the drag on arrows.
The repeating crossbow (Chinese: 連弩; pinyin: Lián Nǔ), also known as the repeater crossbow, and the Zhuge crossbow (Chinese: 諸葛弩; pinyin: Zhūgě nǔ, also romanized Chu-ko-nu) due to its association with the Three Kingdoms-era strategist Zhuge Liang (181–234 AD), is a crossbow invented during the Warring States period in China that combined the bow spanning, bolt placing, and ...
Since the 1990s, a race-based method for assessing kidney function placed many Black patients lower on the transplant waitlist. "We have a long history in this country of actually biases against ...
The Austroasiatic crossbow is known as sna in Khmer, chrao in Brao [1] hneev in Hmong, [2] or hraŏ in Jarai. [3] [4]It is one of the few Austroasiatic loanwords found in Sino-Tibetan languages as linguists have found it to be related the Chinese crossbow known as nu (弩) : "the Southern origin of this term is indisputable but the origin of the term is uncertain".
In most states, your credit score can be used to calculate your car insurance premium. And insurers are taking advantage of that, with 92% of carriers adding your credit score to their insurance ...