DOC.
35
201
velocity of
light.
K
will
maintain this
velocity
until
the radiation
com-
plex,
whose
spatial extension is
very
small in
comparison
with the
cavity
of
K,
gets
absorbed
by
B.
The
duration of the
hollow
cylinder's
motion
is
(apart
from
terms
of
higher order) equal to
a/V,
if
a
denotes the distance
from
A
to B.
After
absorption
of
the
radiation
complex
by
B,
the
body K
is
again
at rest.
During
the radiation
process
under consideration,
K
has
shifted
a
distance
of
c
_
1
S
a
7
1'
7
to
the left.
In the cavity
of
K,
let
us
have
a
body k (imagined
as
massless for
the
sake
of
simplicity) next to
a
(likewise
massless) mechanism
that
can move
the
body
k, which
shall first
be
located in
B,
back and
forth
between
B
and
A.
After the
amount
of radiation
S
has been
absorbed
by
B,
this
amount
of
energy
shall
be
transferred
to
k,
and
then
k moved
to
A.
Finally,
the
amount
of
energy S
shall
again
be taken
up
in
A
by
the
hollow
cylinder
K,
and k
shall
be
moved
back to
B
again. The
whole
system
has
now
undergone
a
complete
cyclic
process,
which
one
can imagine
to be
repeated
arbitrarily
often.
If
one
assumes
that the carrier
body
k
remains massless
even
after it
has
absorbed the
amount
of
energy
S,
then
one
also
has to
assume
that the
return
transport
of
the
amount
of
energy S
is
not
associated with
a change
in position of the
hollow cylinder
K.
Thus
the
only
outcome
of the
entire
cyclic
process
is
a
shift
ö
of the
whole
system
to
the left;
by
repeating
the
cyclic
process, one
can
make
this
shift
as
large
as
desired.
We
thus
arrive
at
the result that
an
initially
stationary
system can change
the
position of its
center
of
gravity
arbitrarily
greatly
without
having
external
forces
acting
upon
it,
and
without
undergoing
any permanent change.
It is clear that the result
does
not
contain
any
inner contradictions;
however,
it
does
contradict the
laws
of
mechanics,
according to
which
a body
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