Kinetic energy of bullet
[DOC File]Worksheet 16 –Rotation and Angular Momentum
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Find her final rotational kinetic energy. Explain the results of answers B and C. A door that is 1 meter wide, has a mass of 15 kg, and is hinged at one side so it can rotate without friction about a vertical axis. A bullet having mass 10 grams and speed 400 m/s is fired into the door, in a direction perpendicular to the plane of the door, and ...
[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.
[DOC File]NJCTL
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Nov 28, 2012 · A bullet of mass M1 is fired from a gun that is initially at rest. The combined mass of the gun and bullet is M2. If after the bullet is fired its kinetic energy is Ke, what is the kinetic energy of the gun when it recoils?
[DOC File]Work and Energy
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Kinetic Energy. Calculate the speed of an 8.0 x 104 kg airliner with a kinetic energy of 1.1 x 109 J. (1.7 x 102 m/s) Two bullets have masses of 3.0 g and 6.0 g, respectively. Both are fired with a speed of 40.0 m/s. Which bullet has more kinetic energy? What is the ratio of their kinetic energies? (greater mass; 2:1)
[DOC File]EnergyProblemsAnswers
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Which bullet has more kinetic energy? What is the ratio of their kinetic energies? 1) KE = ½ mv2 so bullet two has more KE…. KE1 = ½ (.003)(40)2=2.4 J. 2) KE = ½ mv2 so bullet two has more KE…. KE2 = ½ (.006)(40)2=4.8 J twice as much #3. Two 3 g bullets are fired with velocities of 40 m/s and 80 m/s respectively. What are their kinetic ...
[DOC File]AP Physics Free Response Practice – Torque
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A bullet of mass m and velocity vo is fired toward a block of mass 4m. The block is initially at rest on a. frictionless horizontal surface. The bullet penetrates the block and emerges with a velocity of (a) Determine the final speed of the block. (b) Determine the loss in kinetic energy of the bullet.
[DOCX File]nT7C-CT15 - PHYSICS & ASTRONOMY - Home
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The initial energy is the kinetic energy of the bullet, and the final energy is the sum of the kinetic energies of the bullet and the block. Since the block has a non-zero final kinetic energy, the final kinetic energy of the bullet must be less than the initial kinetic energy of the bullet.
[DOC File]Allen Independent School District / Overview
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Kinetic Energy J Velocity m/s Potential Energy J Force N Momentum Kg m/s Weight N Impulse Kg m/s or Ns _ B_ ___ 2) The quantity 8 kg m/s is equivalent to which of the following. A) 8 N ... The bullet is moving at a much higher velocity than the locomotive. ___ A ___ 9) If the momentum of an object triples with the mass remaining constant, what ...
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