Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 31, Problem 18P
(a)
To determine
The type neutrino or antineutrino involved in the processes.
(b)
To determine
The type neutrino or antineutrino involved in the processes.
(c)
To determine
The type neutrino or antineutrino involved in the processes.
(d)
To determine
The type neutrino or antineutrino involved in the processes.
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c) The equation below describes the disintegration of a polonium nucleus into a
lead nucleus and an alpha-particle. During the reaction energy Q is
released.
210Po → He +²02Pb+Q
84
82
Calculate the loss of energy during the reaction.
The masses in the atomic mass unit u are as follows:
210
206
Po= 209.98287 u, Pb = 205.97446 u and He = 4.002604 u.
84
82
You may assume that 1u is equivalent to 931 MeV.
d) The lead nucleus recoils in the opposite direction to the emitted alpha particle
conserving momentum. Hence calculate:
i) The ratio of the recoil nucleus and alpha particle velocities
ii) The kinetic energy distribution of these products.
41 O A star converts all its hydrogen to helium, achieving a
100% helium composition. Next it converts the helium to carbon
via the triple-alpha process,
"He + He + He → 12C + 7.27 MeV.
The mass of the star is 4.6 x 102 kg, and it generates energy at the
rate of 5.3 x 1030 W. How long will it take to convert all the helium
to carbon at this rate?
d) The equation below describes the disintegration of a bismuth nucleus into a thallium
nucleus and an alpha-particle. During the reaction energy Q is released.
212
208
Bi
He +
83
81 TI + energy released Q.
The masses in the atomic mass unit u are as follows:
212
83
208
Bi = 211.99127 u, 81 TI = 207.98201 u and He = 4.002050 u.
You may assume that 1u is equivalent to 931 MeV.
Calculate:
i) The loss of mass during the reaction.
ii) kinetic energy of the products.
e) When an alpha particle is emitted, the thallium nucleus recoils in the opposite
direction. Use the principle of the conservation of momentum to estimate how the
kinetic energy will be shared between the thallium nucleus and the a- particle.
Chapter 31 Solutions
Principles of Physics: A Calculus-Based Text
Ch. 31.2 - Given the identification of the particles in...Ch. 31.5 - Prob. 31.2QQCh. 31.5 - Prob. 31.3QQCh. 31.5 - Prob. 31.4QQCh. 31.9 - Prob. 31.5QQCh. 31 - Prob. 1OQCh. 31 - Prob. 2OQCh. 31 - Prob. 3OQCh. 31 - Prob. 4OQCh. 31 - Prob. 5OQ
Ch. 31 - Prob. 6OQCh. 31 - Prob. 7OQCh. 31 - Prob. 8OQCh. 31 - Prob. 1CQCh. 31 - Prob. 2CQCh. 31 - Prob. 3CQCh. 31 - Prob. 4CQCh. 31 - Prob. 5CQCh. 31 - Prob. 6CQCh. 31 - Prob. 7CQCh. 31 - Prob. 8CQCh. 31 - Prob. 9CQCh. 31 - Prob. 10CQCh. 31 - Prob. 11CQCh. 31 - Prob. 12CQCh. 31 - Prob. 13CQCh. 31 - Prob. 1PCh. 31 - Prob. 2PCh. 31 - Prob. 3PCh. 31 - Prob. 4PCh. 31 - Prob. 5PCh. 31 - Prob. 6PCh. 31 - Prob. 7PCh. 31 - Prob. 8PCh. 31 - Prob. 9PCh. 31 - Prob. 10PCh. 31 - Prob. 11PCh. 31 - Prob. 12PCh. 31 - Prob. 13PCh. 31 - Prob. 14PCh. 31 - Prob. 15PCh. 31 - Prob. 16PCh. 31 - Prob. 17PCh. 31 - Prob. 18PCh. 31 - Prob. 19PCh. 31 - Prob. 20PCh. 31 - Prob. 21PCh. 31 - Prob. 22PCh. 31 - Prob. 23PCh. 31 - Prob. 24PCh. 31 - Prob. 25PCh. 31 - Prob. 26PCh. 31 - Prob. 27PCh. 31 - Prob. 28PCh. 31 - Prob. 29PCh. 31 - Prob. 30PCh. 31 - Prob. 31PCh. 31 - Prob. 32PCh. 31 - Prob. 33PCh. 31 - Prob. 34PCh. 31 - Prob. 35PCh. 31 - Prob. 36PCh. 31 - Prob. 37PCh. 31 - Prob. 38PCh. 31 - Prob. 39PCh. 31 - Prob. 40PCh. 31 - Prob. 41PCh. 31 - Prob. 42PCh. 31 - Prob. 43PCh. 31 - Prob. 44PCh. 31 - Prob. 45PCh. 31 - Prob. 46PCh. 31 - Prob. 47PCh. 31 - Prob. 48PCh. 31 - Prob. 49PCh. 31 - Prob. 50PCh. 31 - Prob. 51PCh. 31 - Prob. 52PCh. 31 - Prob. 53PCh. 31 - Prob. 54PCh. 31 - Prob. 55PCh. 31 - Prob. 56PCh. 31 - Prob. 57PCh. 31 - Prob. 58PCh. 31 - Prob. 59PCh. 31 - Prob. 60PCh. 31 - Prob. 61PCh. 31 - Prob. 62PCh. 31 - Prob. 63PCh. 31 - Prob. 64PCh. 31 - Prob. 65P
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