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Eon bullet = FΔx =5500N(0.85m) = 4675J Ek = 4675J = ½ (0.010kg)(v2) v=967m/s. b. Do an energy pie chart analysis of the situation, with the entire gun and bullet as the system. 6. A 24 kg child descends a 5.0 m high slide and reaches the ground with a speed of 2.8 m/s. a. How much energy was dissipated due to friction in the process? (Ediss ...
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[DOC File]Problems on Trajectory
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6. Find the velocity of the 150 grain hand gun bullet producing 562 ft-lbs of energy? 7. Find the velocity of the 100 grain 6 mm rifle bullet producing 2131 ft-lbs? 8. Calculate the velocity of the 200 grain magnum rifle bullet producing 3477 ft-lbs? 9. Which bullet travels faster the 100 grain (question 7) or the 200 grain (question 8)?
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[DOCX File]World of Forensic Science | Ballistics
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Generally, a bullet fired from a rifle will carry more energy than a bullet fired from a handgun because the stronger firing chamber of a rifle is able to withstand the increased explosive power of a larger quantity of powder that would likely rupture the barrel of the handgun. Detonation of the powder in a rifle or handgun supplies the thrust ...
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[DOC File]WORK, ENERGY, POWER
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A bullet is fired from a rifle. If the rifle recoils freely, determine whether the kinetic energy of the rifle is greater, equal or less than that of the bullet. A light body and a heavy body have equal momentum. Which one has more kinetic energy? Can a body have (1) energy without momentum (2) momentum without energy? Explain.
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[PDF File]Dodging Bullets: Skylab and the Langley Miniature Light ...
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Don Humes, a retired researcher from NASA Langley Research Center, devoted most of his 44-year career to this problem. According to Humes, there are several ways to increase a rifle’s projectile velocity, such as replacing the rifle bullet with a lightweight plastic projectile, replacing the rifle powder with faster-burning gunpowder for pistols, and changing the rifled barrel to a smoothbore.
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[DOC File]Chapter 7
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What was the speed of the bullet just prior to the collision? What is the initial kinetic energy of the bullet? How much of this energy remains as mechanical energy of the swinging pendulum? (II) An 18-g rifle bullet traveling 230 m/s buries itself in a 3.6-kg pendulum hanging on a 2.8-m-long string, which makes the pendulum swing upward in an arc.
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[DOC File]Forensic Ballistics
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A rifle bullet is larger, travels at a much faster speed and has much more energy than a bullet fired by handguns. Muzzle velocity, kinetic energy, and trajectory can vary widely, depending on the caliber of the rifle bullet. The trajectory of rifle bullets can in some cases be much flatter than what would be exhibited by handgun ammunition.
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Comprehensive Exam Preparation
A rifle can fire a 38.0 g bullet at a speed of 825 m/s. What is the bullet’s kinetic energy as it leaves the gun? What work is done on the bullet when it is fired? If the work is done over the barrel of the gun which is 0.60 m long, what was the average force applied to the bullet?
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[DOC File]Energy Problems (Sheet A)
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b) a 2.0 g rifle bullet moving at 500 m/s. c) a 0.50 kg ball accelerated from rest by a force of 8.0 N for 3.0 cm. 2. Two toys, one with a mass of 3.2 kg and the other with a velocity of 2.4 m/s, each have the same kinetic energy of 16 J. Determine the velocity of the first toy, and the mass of the 2nd. 3.
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Rifle bullet energy