COSMIC PERSPECTIVE LL FD
9th Edition
ISBN: 9780135877074
Author: Bennett
Publisher: PEARSON
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Chapter 3, Problem 31EAP
Which of the following is not true about a scientific theory?
(a) A theory must explain a wide range of observations or experiments. (b) Even the strongest theories can never be proved true beyond all doubt. (c) A theory is essentially an educated guess.
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The figure (Figure 1) shows representations of six
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Part A
m
2πkT
) 3/2
Calculate the integral (v) = f vƒ (v)dv. The function f(v) describing the actual distribution of molecular speeds is called the Maxwell-Boltzmann distribution,
=
ƒ(v) = 4π (· v²e-mv²/2kT
. (Hint: Make the change of variable v² =x and use the tabulated integral foxne
integer and a is a positive constant.)
Express your answer in terms of the variables T, m, and appropriate constants.
-ax dx
n!
-
an+1
where n is a positive
(v)
=
ΕΠΙ ΑΣΦ
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Chapter 3 Solutions
COSMIC PERSPECTIVE LL FD
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