Answers edited by Krzysztof S.
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How do you find the derivative of
f
(
x
)
=
ln
(
2
x
2
+
1
)
?
Two objects have masses of
42
M
G
and
48
M
G
. How much does the gravitational potential energy between the objects change if the distance between them changes from
21
m
to
15
m
?
Question #f5014