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Meaning of RELATIVISTIC MASS
WordNet Dictionary
Definition:
[n] (
physics
)
the
mass
of
a
body
in
motion
relative
to
the
observer
:
it
is
equal
to
the
rest
mass
multiplied
by
a
factor
that
is
greater
than
1
and
that
increases
as
the
magnitude
of
the
velocity
increases
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mass
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