University Physics with Modern Physics (14th Edition)

14th Edition

ISBN: 9780321973610

Author: Hugh D. Young, Roger A. Freedman

Publisher: PEARSON

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Chapter 37, Problem 37.43P

After being produced in a collision between elementary particles, a positive pion (π⁺) must travel down a 1.90-km-long tube to reach an experimental area. A π⁺ particle has an average lifetime (measured in its rest frame) of 2.60 × 10⁻⁸ s; the π⁺ we are considering has this lifetime, (a) How fast must the π⁺ travel if it is not to decay before it reaches the end of the tube? (Since u will be very close to c, write u = (1 − Δ)c and give your answer in terms of Δ rather than u.) (b) The π⁺ has a rest energy of 139.6 MeV. What is the total energy of the π⁺ at the speed calculated in part (a)?

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Chapter 37, Problem 37.42E

Chapter 37, Problem 37.44P

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After being produced, a neutral pion must travel down a tube that is 100 m long to the experimental area. The pion has a lifetime T = 2 x 10 8 sec in its rest frame. How fast must the pion travel if it is not to decay before it reaches the end of the tube? In other words, what is the minimum speed vuin that the pion must have if it is to reach the end of the tube before decaying? Give your answer to 3 significant figures as a multiple of c, the speed of light. Formulas.pdf (Click here-->) ,

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Chapter 37 Solutions

University Physics with Modern Physics (14th Edition)

Ch. 37.1 - As a high-speed spaceship flies past you, it fires...Ch. 37.2 - Stanley, who works for the rail system shown in...Ch. 37.3 - Samir (who is standing on the ground) starts his...Ch. 37.4 - A miniature spaceship is flying past you, moving...Ch. 37.5 - (a) In frame S events P1 and P2 occur at the same...Ch. 37.7 - According to relativistic mechanics, when you...Ch. 37.8 - A proton is accelerated from rest by a constant...Ch. 37 - You are standing on a train platform watching a...Ch. 37 - If simultaneity is not an absolute concept, does...Ch. 37 - A rocket is moving to the right at 12 the speed of...

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