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Get Full Access to University Physics, Volume 3 - 17 Edition - Chapter 5 - Problem 68
Get Full Access to University Physics, Volume 3 - 17 Edition - Chapter 5 - Problem 68

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ISBN: 9781938168185 2032

## Solution for problem 68 Chapter 5

University Physics, Volume 3 | 17th Edition

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University Physics, Volume 3 | 17th Edition

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Problem 68

Relativistic Energy

A $$\pi$$-meson is a particle that decays into a muon and a massless particle. The $$\pi$$-meson has a rest mass energy of 139.6 MeV, and the muon has a rest mass energy of 105.7 MeV. Suppose the $$\pi$$-meson is at rest and all of the missing mass goes into the muon’s kinetic energy. How fast will the muon move?

Text Transcription:

pi

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THE HEART OF THE MATTER ● the lighter chemical elements are the most abundant on earth ○ the heavier (gold) = more rare ● both space and time came out of the Big Bang ● string/loop of energy is the one basic particle ● gravity doesn’t fit or work well with quantum theory ● string theory = only theory so far that reconciles Quantum Theory and gravity ○ doesn’t mean that its correct ● each particle is a different note or vibration mode of the same elemental string ● one string can vibrate in different ways to produce a whole series of particles with wildly different properties ● as many as 7 extra dimensions and dozens of new particles must be added ● extra dimensions coiled up everywhere around us

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