Chapter 12: Problem 29
A bumper "snicker" on a car belonging to the chairperson of a physics department reads: "Particle physicists have GUTs!" Explain in your own words the meaning of this little joke or "play on words."
Chapter 12: Problem 29
A bumper "snicker" on a car belonging to the chairperson of a physics department reads: "Particle physicists have GUTs!" Explain in your own words the meaning of this little joke or "play on words."
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Get started for freeIf a horseshoe is heated in a blacksmith's furnace until it glows red hot, does the mass of the horseshoe change? If a spring is stretched to twice its equilibrium length, has its mass been altered in the process? If so, explain how and why in each case.
What does the acronym PET stand for? Why is PET a good example of the relevance of elementary particle physics to our everyday lives?
Light travels in water at a speed of \(2.25 \times 10^{8} \mathrm{~m} / \mathrm{s}\). Is it possible for particles to travel through water at a speed \(v>2.25 \times 10^{8} \mathrm{~m} / \mathrm{s} ?\) Why or why not? Explain.
Baryon conservation and lepton conservation are laws used frequently by particle physicists to decide whether a reaction involving elementary particles is possible or not. Explain how these laws are applied to make such determinations.
Describe the kinds of evidence that have led scientists to conclude that quarks exist.
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