Tell me honestly:
1) I knew that the chain sags not along a parabola
2) I knew about the physical meaning of the parameter a of a catenary
3) I knew about a catenary number pi?
See please the attach!
I am waiting for your ansvers in this form
1 - yes
2 - no
3 - yes
An old joke.
The phone rings.
The secretary picks up the phone, listens and says to Stalin:
- Comrade Stalin - Churchill is calling you!
Stalin picks up the phone and answers Churchill:
The secretary could not resist and asked:
- Comrade Stalin - what question did you answer Yes!
- Churchill asked - do I hear him well?