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On Senin, 11 Oktober 2010 9 komentar

top games Karate Genjot Stamina hingga Teknik


Karate Genjot Stamina hingga Teknik

Posted: 11 Oct 2010 01:01 PM PDT

JAKARTA (SINDO) – Penajaman teknik menjadi menu wajib 23 karateka Indonesia sebelum menjalani Kejuaraan Dunia Karate di Beograd,Serbia,27–31 Oktober. Pelatih Karate Indonesia Syamsudin mengatakan pihaknya terus menggali dan mempertajam kualitas anak didiknya.

Presiden Komentari Hasil Pertandingan Indonesia-Uruguay

Posted: 11 Oct 2010 05:08 AM PDT

Jakarta (ANTARA News) - Presiden Susilo Bambang Yudhoyono dalam pidato pembekalan kepada peserta program pendidikan reguler Lembaga Ketahanan Nasional (Lemhanas) angkatan ke-44, sempat mengomentari pertandingan persahabatan Indonesia-Uruguay dengan skor 1-7 pada Jumat 8 Oktober 2010.

Pada acara di Istana Negara, Jakarta, Senin, Presiden mengingatkan bahwa peringkat Uruguay berada di tempat ketujuh dunia dan meraih juara keempat pada Piala Dunia 2010 di Afrika Selatan.

Sedangkan Indonesia, lanjut dia, berada pada rangking 131 dunia."Memang beda kelasnya jauh, sehingga jangan salahkan PSSI, jangan salahkan pemain kita. Mereka berusaha sekuat tenaga. Alhamdulilah bisa masuk satu gol," ujarnya.

Presiden pun berkelakar ketika gol tersebut terjadi pada babak pertama pertandingan yang akhirnya berskor 7-1 untuk Uruguay itu, ia langsung berdiri sambil bertepuk tangan karena tahu akan sulit bagi Indonesia untuk memasukkan gol lagi ke gawang Uruguay.

Presiden pun memahami strategi pertahanan berlapis-lapis yang diterapkan tim nasional Indonesia dalam menghadapi Uruguay meski akhirnya kebobolan berkali-kali.

Presiden berharap PSSI dapat memiliki strategi untuk menerapkan pertahanan sekaligus mengatur serangan.

"Kalau lawannya bukan Uruguay, tahun depan kita lihat bersama-sama pada Sea Games. Harapan saya, PSSI kita paham SWOT analysis, kapan menghadapi ancaman dan kapan menusuk menyerang," ujar Presiden.
(D013/R007)

Grumbling aside, China's ready for Asian <b>Games</b> - <b>Indonesia</b> First

Posted: 10 Oct 2010 10:04 PM PDT

The roads are freshly paved, taxi drivers are practicing English phrases and rehearsals are in full swing at the opening ceremony venue on a tiny island in.

Chevrolet Rambah Arena Bola Basket Indonesia

Posted: 11 Oct 2010 03:53 AM PDT

GM Indonesia masuk arena liga bola basket Tanah Air. Pertimbangannya, konsep kemasannya selaras dengan aktivitas Chevrolet.

Chevrolet Rambah Arena Basket Indonesia

Posted: 11 Oct 2010 03:08 AM PDT

GM Indonesia masuk arena liga basket Tanah Air. Pertimbangannya, konsep kemasannya selaras dengan aktivitas Chevrolet

Point Blank <b>Game</b> Online Point Blank <b>Indonesia</b>

Posted: 20 Aug 2010 03:15 AM PDT

Point Blank Game adalah salah satu Game Online  Indonesia yang paling laku saat ini. Game Point Blank, begitu menarik dan membuat kita merasa penasaran uantuk main Point Blank sepanjang hari. Walaupunbegitu banyaknya Game Online Terbaru yang hadir serta rilis tahun 2010 ini. Namun Point Blank, sebagai Game Online belum bisa ada yang menggantikan posisi dan kedudukannya di hati para gamers.

In external ballistics, point-blank range is the distance between a firearm and a target of a given size such that the bullet in flight is expected to strike the target without adjusting the elevation of the firearm. The point-blank range will vary with the firearm and its particular ballistic characteristics, as well as the target chosen. A firearm with a flatter trajectory will permit a nearer minimum and further maximum point blank range for a given target size, while a larger target will allow for a longer point blank range for a given firearm.

In forensics and popular usage, point-blank range has come to mean extreme close range (i.e., target within about a meter (3 ft) of the muzzle at moment of discharge but not close enough to be an actual contact shot). Gunshot wounds from point-blank are identified by extensive powder burns as well as tissue damage from perforation by unburned grains of gunpowder

The term point blank range is of French origin. The center of a target was once a small white spot and the French for white is blanc, and aim is point. The term therefore means "aim at the center of the target." [2]

The term originated with the techniques used to aim muzzleloading cannon. The barrels of the cannon tapered down from breech to muzzle, so that when the top of the cannon was held horizontal, the bore actually sat at an elevated angle. In addition, the firing of the gun caused the muzzle to elevate slightly due to recoil, and this would result in an upward movement by the shot even in a cylindrical cannon. This caused the shot to rise above the natural line of sight very soon after leaving the muzzle, and later dropping below the line of sight due to the curved trajectory of the shot.

By firing a given projectile and charge in the cannon, the distance at which the shot fell below the bottom of the bore could be measured. This distance was considered the point blank range. Any target within the point blank range required the gun to be depressed; any target beyond the point blank range required the gun to be elevated, up to the angle of greatest range, which happens somewhat before 45 degrees of elevation.

The point blank range varies significantly with not only the ballistics of the gun, but also its shape, as it is shape that determines the natural line of sight on which point blank range is based. Various cannon of the 19th century had point blank ranges from 250 yards (12 lb howitzer, 0.595 lb (0.270 kg) powder charge) to nearly 1075 yards (30 lb carronade, solid shot, 3.53 lb (1.60 kg) powder charge).

Small arms are often sighted-in so that the sight line and bullet path are within a certain acceptable margin out to the longest possible range, called the maximum point blank range. The range of distance inside the maximum point blank range is greatly dependent on the external ballistics of the cartridge in question; high velocity rounds have long point blank ranges, while slow rounds have much shorter point blank ranges. Other factors in the point blank range are the target size (which determines how far above and below the line of sight the trajectory may deviate), the height of the sights, and an acceptable drop before a shot is ineffective.

Maximum point blank range for hunting
A large target, like the vitals area of a deer, allows a deviation of a few inches (as much as 10 cm) while still ensuring a quickly disabling hit. A varmint such as a prairie dog requires a much smaller deviation, less than an inch (about 2 cm). The height of the sights has two effects on point blank range. If the sights are lower than the allowable deviation, then point blank range starts at the muzzle, and any difference between the sight height and the allowable deviation is lost distance that could have been in point blank range. Higher sights, up to the maximum allowable deviation, push the maximum point blank range further from the gun. Sights that are higher than the maximum allowable deviation push the start of the point blank range out from the gun; this is quite common on varmint rifles, where close shots are never made, as it places the point blank range out to the expected range of the targets.

Maximum point blank range for military use
This sight setting for maximum point blank range is also referred to in the military as Battle Zero. Soldiers are instructed to fire at any target within this range by simply placing the sights on the center of mass of the enemy target. Any errors in range estimation are tactically irrelevant as a well-aimed shot will hit the torso of the enemy soldier. The current trend for elevated sights and higher velocity cartridges in assault rifles is in part due to a desire to extend the maximum point blank range, which makes the rifle easier to use.

Calculating point-blank range
A projectile falls due to gravity once it leaves a weapon barrel. All objects at
the same geographic location fall with the same acceleration, denoted g, roughly 9.8 m/s² (32 ft/s²). Velocity is a vector; the vertical component of any projectile's velocity can be treated separately from the horizontal component. If the barrel is horizontal and at height h above the ground, then Newton's Equations of Motion can be used to show that the range is approximately \scriptstyle v \sqrt\frac{2h}{g}, where v is the muzzle velocity. This calculated range is reduced by air resistance. The air resistance depends on at least the frontal area of the projectile, the drag coefficient, air density and obviously the speed of the projectile -- making the problem a differential equation.

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