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The Manga Guide to Physics
book

The Manga Guide to Physics

by Hideo Nitta, Keita Takatsu, Ltd. Trend-Pro Co.
May 2009
Beginner content levelBeginner
248 pages
6h 21m
English
No Starch Press
Content preview from The Manga Guide to Physics
Aume that the ma of
the 100 yen coin is
m, and
the ma of the 500 yen
coin is
M. Let’s represent
the velocity of the
100 yen coin as
v, and the
500 yen coin as
V.
And as before, we’
represent before and
after velocities as
v
1
and v
2
and V
1
and V
2
,
respectively.
Then we get an
expreion like this:
mv
1
+ MV
1
= mv
2
+ MV
2
Ah, that makes
perfect sense!
The total momentum
for the system is
the same before and
after the coision.
It doesn’t increase
or decrease!
Right.
Now you know
about a specific
alication of the
law of action and
reaction.
It’s the
conservation
of momentum.
Total
Momentum
ma m
ma M
velocity V
1
velocity V
2
velocity v
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Publisher Resources

ISBN: 9781593271961