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(c) What is the total kinetic energy of this system? Krot = (d) What is the translational kinetic energy of this system? Kerans = (e) What is the kinetic energy of this system relative to the center of mass? Krel =

(c) What is the total kinetic energy of this system? Krot = (d) What is the translational kinetic energy of this system? Kerans = (e) What is the kinetic energy of this system relative to the center of mass? Krel =

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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please do part c, d and e

Consider a system consisting of three particles: m1 = 3 kg, v = < 9, -4, 14 > m/s m2 = 9 kg, v2 = < -13, 7, -6 > m/s m3 = 4 kg, 3 = < -24, 35, 21 > m/s (a) What is the total momentum of this system? Ptot = kg • m/s (b) What is the velocity of the center of mass of this system? V cm = m/s (c) What is the total kinetic energy of this system? Ktot = (d) What is the translational kinetic energy of this system? Ktrans = (e) What is the kinetic energy of this system relative to the center of mass? Krel = One way to calculate Krel is to calculate the velocity of each particle relative to the center of mass, by subtracting the center-of-mass velocity from the particle's actual velocity to get the particle's velocity relative to the center of mass, then calculating the corresponding kinetic energy, then adding up the three relative kinetic energies. However, there is a much simpler way to determine the specified quantity, without having to do all those calculations; think about what you know about the relationships among the various kinds of kinetic energy in a multiparticle system. (If you wish, you can check your result by doing the complicated calculation just described.)
Transcribed Image Text:Consider a system consisting of three particles: m1 = 3 kg, v = < 9, -4, 14 > m/s m2 = 9 kg, v2 = < -13, 7, -6 > m/s m3 = 4 kg, 3 = < -24, 35, 21 > m/s (a) What is the total momentum of this system? Ptot = kg • m/s (b) What is the velocity of the center of mass of this system? V cm = m/s (c) What is the total kinetic energy of this system? Ktot = (d) What is the translational kinetic energy of this system? Ktrans = (e) What is the kinetic energy of this system relative to the center of mass? Krel = One way to calculate Krel is to calculate the velocity of each particle relative to the center of mass, by subtracting the center-of-mass velocity from the particle's actual velocity to get the particle's velocity relative to the center of mass, then calculating the corresponding kinetic energy, then adding up the three relative kinetic energies. However, there is a much simpler way to determine the specified quantity, without having to do all those calculations; think about what you know about the relationships among the various kinds of kinetic energy in a multiparticle system. (If you wish, you can check your result by doing the complicated calculation just described.)
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