Vol. 5, 161a. To Vladimir Varic;ak[1]
Bern, 19 May 1909
[Not selected for translation.]
Vol. 5, 197a. To Vladimir Varic;ak
Zurich, 15 February 1910
[Not selected for translation.]
Vol. 5, 197b. To Vladimir Varic;ak
Bern [Zurich], 28 February 1909
[1910][1]
[Not selected for translation.]
Vol. 5, 202a. To Vladimir Varic;ak
Zurich, 5 April 1910
[Not selected for translation.]
Vol. 5, 202b. To Vladimir Varic;ak
Zurich, 11 April 1910
Highly esteemed Colleague!
Your two letters have given me great joy, as has your interesting treatise on the
transformation.[1]
As regards the rotating rigid body, my view of the matter is about
as follows.
First of all, it cannot be ex-
cluded that the abstraction of
the freely moving rigid body
does not fit at all into the the-
ory of
relativity.[2]
Take, e.g., the case that a rigid rod which at first hovers freely at
rest in space suddenly receives a momentum during an infinitely short time. The
end in B can experience a change in position, or acquire a velocity, as a consequence
A
B
l