قذيفة
القذيفة projectile، هي أي جسم يتم قذفه إلى الفضاء (فارغ أوغير فارغ) بالقوة. على الرغم من حتى أي جسم يتحرك عبر الفضاء (مثل كرة البيسبول يمكن اعتباره مقذوفة، فإن هذا المصطلح يستخدم عادة للاشارة إلى الأسلحة.
القوة المحركة
Projectile and cartridge case for the massive الحرب العالمية الثانية German 80cm Schwerer Gustav railway gun
سرعة المقذوفة
| المقذوفة | السرعة | Specific kinetic energy (J/kg) | |||
|---|---|---|---|---|---|
| (م/ث) | (كم/س) | (قدم/ث) | (mph) | ||
| Object falling 1 m (in vacuum, at Earth's surface) | 4.43 | 15.948 | 14.5 | 9.9 | 9.8 |
| Object fallingعشرة m (in vacuum, at Earth's surface) | 14 | 50.4 | 46 | 31 | 98 |
| Thrown club (expert thrower) | 40 | 144 | 130 | 90 | 800 |
| Object falling 100 m (in vacuum, at Earth's surface) | 45 | 162 | 150 | 100 | 980 |
| Refined (flexible) atlatl dart (expert thrower) | 45 | 162 | 150 | 100 | 1,000 |
| Ice hockey puck (slapshot, professional player) | 50 | 180 | 165 | 110 | 1,300 |
| 80-lb-draw pistol crossbow bolt | 58 | 208.8 | 190 | 130 | 1,700 |
| War arrow shot from a 150 lbs medieval warbow | 63 | 228.2 | 208 | 141 | 2,000 |
| Paintball fired from marker | 91 | 327.6 | 300 | 204 | 4,100 |
| 175-lb-draw crossbow bolt | 97 | 349.2 | 320 | 217 | 4,700 |
| Air gun pellet 6 mm BB | 100 | 360 | 328 | 224 | 5,000 |
| Rifle bullet 4.5 mm | 150 | 540 | 492 | 336 | 11,000 |
| Air gun pellet (magnum-power air rifle) | 305 | 878.4 | 1,000 | 545 | 29,800 |
| 9×19 mm (bullet of a pistol) | 340 | 1224 | 1,116 | 761 | 58,000 |
| 12.7×99 mm (bullet of a heavy machine gun) | 800 | 2,880 | 2,625 | 1,790 | 320,000 |
| German Tiger I 88 mm (tank shell- Pzgr. 39 APCBCHE) | 810 | 2,899 | 2,657 | 1,812 | 328,050 |
| 5.56×45 mm (standard bullet used in many assault rifles) | 920 | 3,312 | 3,018 | 2,058 | 470,000 |
| 25×1400 mm (APFSDS, tank penetrator) | 1,700 | 6,120 | 5,577 | 3,803 | 1,400,000 |
| 2 kg tungsten Slug (from Experimental Railgun) | 3,000 | 10,800 | 9,843 | 6,711 | 4,500,000 |
| ICBM reentry vehicle | Up to 4,000 | Up to 14,000 | Up to 13,000 | Up to 9,000 | Up to 8,000,000 |
| projectile of a light gas gun | Up to 7,000 | Up to 25,000 | Up to 23,000 | Up to 16,000 | Up to 24,000,000 |
| Satellite in low earth orbit | 8,000 | 29,000 | 26,000 | 19,000 | 32,000,000 |
| Exoatmospheric Kill Vehicle | ~10,000 | ~36,000 | ~33,000 | ~22,000 | ~50,000,000 |
| Projectile (e.g., space debris) and target both in low earth orbit | 0–16,000 | ~58,000 | ~53,000 | ~36,000 | ~130,000,000 |
انظر أيضاً
- Atlatl
- Ballistics
- بارود
- Impact depth
- Kinetic bombardment
- Projectile point
-
Projectile use by living systems
- Arrow
- Dart
- Missile
- Spear
- Torpedo
- Range of a projectile
- Space debris
- Toypedo
- Trajectory of a projectile
المصادر
- ^ "The free Dictionary". Retrieved 2010-05-19.
- ^ "Dictionary.com". Retrieved 2010-05-19.
وصلات خارجية
- Open Source Physics computer model
- Projectile Motion Applet
- Another projectile Motion Applet
