Angular
Momentum
A property that an object, such as a planet
revolving around the Sun, possesses by virtue of its rotation or
circular motion. An object’s angular momentum cannot change
unless some force acts to speed up or slow down its circular
motion....
Aero-Linx: Falcon 9 Launch
Vehicle Payload User’s Guide
The Falcon 9 User's Guide is a planning document provided for
potential and current customers of Space Exploration Technologies
(SpaceX).
"I felt I was having a fairly good run... I might
have skipped twice on the water. It’s a very disappointing
result for me. It’s the motor racing equivalent of touching
the wall..."
Source: Australia’s Matt Hall, one
of the red Bull Air race pilots... who had the bad luck to
make contact with the water of the Detroit River in a Qualifying
run, Saturday. Matt's OK and his bird is repairable... but
this is about as close as it gets in the fate department.
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