wrobel's latest activity

Read decent books: Finite-Dimensional Vector Spaces by Paul R. Halmos

Write the angular momentum change theorem about the suspension point of the chain; ##(r>0)##

At the point where the circle is tangent to the straight line, the acceleration of the chain links undergoes a discontinuity. Just a remark

Why, for example, is it a semicircle? There are plenty of other curves out there.

I would like to understand which part did you thought was strange ? Only then, can i attempt to figure out the rationale.

-

I'm afraid it is up to the proposer to provide a rationale for their hypotheses.:)

The hypothesis about the shape of the falling chain is a little bit strange

Gemini can't solve this problem. It writes all the formulas correctly except for the final step, when it substitutes the equation of...

Consider a hoop of mass ##m## that is situated on a horizontal plane and rolls forward without slipping. The radius of the hoop, if I...

Just a nice block problem

See Velocity addition theorem

not bodies but particles "No forces" and "zero forces" are the same thing.

There is a highly ambitious article by Udwadia and Kalaba: article . To explain their main point, I will first recall the...

linear ode with delay for example