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Solution for On-Line Homework 9 Reference Frames II

Solution for On-Line Homework 9 Reference Frames II -...

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Solution for On-Line Homework 9 Reference Frames II Solution to On-Line Homework Problem 9.1(Galilean Transformations) Problem: The relationship between measurements in an inertial frame and measurements in a non-inertial reference frame is given by the Galilean transformations. Select One of the Following: (a) True (b-Answer) False Solution False. Galilean transformations connect different inertial reference frames. Total Points for Problem: 3 Points Solution to On-Line Homework Problem 9.2() Problem: Which of the following best defines and/or explains a zero-momentum reference frame and why it is valuable. (a)A zero-momentum reference frame: Select One of the Following: (a) is handy in examining collisions. It is often the reference frame that makes the calcu- lations simplest. 1
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(b) is a reference frame that has a velocity V such that the total linear momentum of the system under observation is zero. (c) is the frame where all the observed ki- netic energy is available to convert to other
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Unformatted text preview: forms. (d-Answer) All of the above. (e) Only (a) and (b). Solution to Part (a) A zero-momentum reference frame is deFned in (b). It is a mathematics trick you will often see in physics, where by picking the right reference frame or coordinate system, you can not only greatly simplify a caolculation, but you can “see” some of the important features of the system, such as available energy in this care, more clearly. Grading Key: Part (a) 1 Points Total Points for Problem: 1 Points Solution to On-Line Homework Problem 9.3(Convertible Knietic Energy) Problem: The convertible kinetic energy is the same in all inertial reference frames. Select One of the ±ollowing: 2 (a-Answer) True (b) False Solution True. Since the convertible kinetic energy is the kinetic energy in the zero momentum frame, it is frame indepen-dent. Total Points for Problem: 3 Points 3...
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