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One method used to determine unknown atomicmasses consists of precisely measuring the

Modern Physics for Scientists and Engineers | 4th Edition | ISBN: 9781133103721 | Authors: Stephen T. Thornton, Andrew Rex ISBN: 9781133103721 454

Solution for problem 59 Chapter 13

Modern Physics for Scientists and Engineers | 4th Edition

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Modern Physics for Scientists and Engineers | 4th Edition | ISBN: 9781133103721 | Authors: Stephen T. Thornton, Andrew Rex

Modern Physics for Scientists and Engineers | 4th Edition

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Problem 59

One method used to determine unknown atomicmasses consists of precisely measuring the kinetic energiesof the particles involved in a nuclear reactionand using known atomic masses. The mass of 34Si isdetermined by the 30Si(18O, 14O)34Si reaction initiatedby 100-MeV 18O particles. The outgoing particles have86.63 MeV of energy, which can be determined onlyby measuring the 14O energy and using the conserva-tion of momentum and energy. (a) What is the Qvalue of the reaction? (b) What is the mass of 34Si assumingthe other three masses involved are known(see Appendix 8)?

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Nonconservative Forces Work Done By Nonconservative Forces ● In the presence of non-conservative forces, the total mechanical energy is not conserved: ○ W totalW conservativnonconservative ○ W = − ΔU + W = ΔK total nc ○ W nc ΔK + ΔU = ΔE Examples ● What height H must we release the car if it just makes it around the circular loop of radius R ● A shot put (m = 7.26 kg) is shot at an angle of 43.4 degrees and released from a height of 1.82 m above ground level then it lands with a final velocity of 20m/s. It lands a horizontal distance of 17.7 m from the release point. With what speed does the shot put leave the thrower’s hand ● A block of mass

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Chapter 13, Problem 59 is Solved
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Textbook: Modern Physics for Scientists and Engineers
Edition: 4
Author: Stephen T. Thornton, Andrew Rex
ISBN: 9781133103721

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