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Ballistic Pendulum

Ballistic Pendulum. h. A ballistic pendulum is a device in which a projectile is fired into a pendulum, and after firing, the projectile and the pendulum swing together to some final height h. h. The speed of the projectile can be determined by using:.

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Ballistic Pendulum

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  1. Ballistic Pendulum

  2. h • A ballistic pendulum is a device in which a projectile is fired into a pendulum, and after firing, the projectile and the pendulum swing together to some final height h.

  3. h • The speed of the projectile can be determined by using: • The conservation of momentum principle during the collision of the projectile with the pendulum • 2) The conservation of energy principle after the collision,

  4. Example A 10.0 g bullet is fired into a 4.00 kg block which then swings to a height of 0.205 m. Determine the speed of the bullet before the collision. Use energy conservation after the collision: Epbot + Ek bot = Eptop + Ektop mghbot + ½ mv2bot = mghtop + ½ mv2top 0 J + ½ mv2bot = mghtop + O J ½ mv2 = mgh m = mbullet+mblock v = 2.0055 m/s (speed of block and bullet after the collision)

  5. Use conservation of momentum for the collision: vbullet = 804 m/s

  6. A ballistic pendulum experiment: (metal rod versus watermelon)

  7. A ballistic pendulum experiment: (metal rod versus watermelon) (Out-take)

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