Two speeding lead bullets, one of mass 13.0 g moving to the right at 320 m/s...
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Two speeding lead bullets, one of mass 13.0 g moving to the right at 320 m/s and one of mass 7.95 g moving to the left at 385 m/s, collide head-on, and all the material sticks together. Both bullets are originally at temperature 30.0C. Assume the change in kinetic energy of the system appears entirely as increased internal energy. We would like to determine the temperature and phase of the bullets after the collision. (Lead has a specific heat of 128 J/(kg K), a melting point of 327.3C, and a latent heat of fusion of 2.45 x 104 J/kg.) (a) What analysis model is appropriate for the system of two bullets for the time interval from before to after the collision? O particle in equilibrium isolated system (momentum) nonisolated system (momentum) particle under a net force (b) From the model, what is the speed of the combined bullets after the collision? m/s (c) How much of the initial kinetic energy has transformed to internal energy in the system after the collision? (d) Does all the lead melt due to the collision? Yes No (e) What is the temperature of the combined bullets after the collision? C (f) What is the phase of the combined bullets after the collision? mbullet,solid mbullet, liquid g g Two speeding lead bullets, one of mass 13.0 g moving to the right at 320 m/s and one of mass 7.95 g moving to the left at 385 m/s, collide head-on, and all the material sticks together. Both bullets are originally at temperature 30.0C. Assume the change in kinetic energy of the system appears entirely as increased internal energy. We would like to determine the temperature and phase of the bullets after the collision. (Lead has a specific heat of 128 J/(kg K), a melting point of 327.3C, and a latent heat of fusion of 2.45 x 104 J/kg.) (a) What analysis model is appropriate for the system of two bullets for the time interval from before to after the collision? O particle in equilibrium isolated system (momentum) nonisolated system (momentum) particle under a net force (b) From the model, what is the speed of the combined bullets after the collision? m/s (c) How much of the initial kinetic energy has transformed to internal energy in the system after the collision? (d) Does all the lead melt due to the collision? Yes No (e) What is the temperature of the combined bullets after the collision? C (f) What is the phase of the combined bullets after the collision? mbullet,solid mbullet, liquid g g
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Lets break down each step and answer the questions one by one a What analysis model is appropriate for the system of two bullets for the time interval from before to after the collision The appropriat... View the full answer
Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
Posted Date:
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