
(a)
The number of electrons and the number of each species of quark in 1L water.
(a)

Answer to Problem 32P
The number of electrons is
The numbers of each species of quark in 1L water are
Explanation of Solution
Write the expression for the number of protons.
Here,
Write the expression for the number of neutrons.
Here,
Write the quark configuration of proton.
Write the quark configuration of neutron.
Write the expression for the number of up quark.
Here,
Write the expression for the number of up quark.
Here,
Conclusion:
To get neutral atom, the number proton and electron will be same.
Substitute,
Thus, the number of electrons is
Substitute,
Substitute,
Substitute,
Thus, the numbers of each species of quark in 1L water are
(b)
The number of electrons and the number of each species of quark in body water.
(b)

Answer to Problem 32P
The number of electrons is
The numbers of each species of quark in body water are
Explanation of Solution
In human body total amount of water is 65kg.
Write the expression for the number of electron in human body.
Here,
Write the expression for the number of up quark in human body.
Here,
Write the quark configuration of down quark in human body.
Here,
Conclusion:
Substitute,
Thus, the number of electrons is
Substitute,
Substitute,
Thus, the numbers of each species of quark in body water are
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Chapter 31 Solutions
Principles of Physics: A Calculus-Based Text
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