May 2009
Beginner
248 pages
6h 21m
English
Content preview from The Manga Guide to Physics
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126 Chapter 3 Momentum
Laboratory
Outer Space and the Conservation of Momentum
Let’s think about outer space for our next example of the conservation of
momentum.
What is this, space camp?
Sigh. Let’s just suppose you are an astronaut, Ninomiya-san. During vehi-
cle repairs outside the space craft, your tether has become disconnected,
leaving you floating away from your space shuttle. All you have in your
hand is the wrench you’ve been using to repair your ship. How can you get
back to your ship?
Maybe I can swim back.
Oh, ho ho ho, it’s quite impossible to “swim” in a vacuum. Recall the first
law of motion: An object at rest tends to stay at rest ...
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