All Questions
3
questions
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205
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Upgrading to geometric algebra my proof of energy conservation for a rotating rigid body in $D$ dimensions, and solving the Sylvester equation
I wrote a proof from first principles that energy is conserved in a $D$-dimensional rotating rigid body without external forces, and I'd like to ask for some feedback on improving my math with more ...
- 357
0
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0
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38
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To find the angle of slipping of a falling coin
In an attempt to predict the outcome of a toss, I dropped a coin with its edge just touching another sharp edge as shown in figure. (The edge is flat and sharp with very less friction as in case of a ...
- 2,000
1
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1
answer
97
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Difference between the angular momentum for a mass following a trajectory and a mass rotating around a rotational center
I struggle to find a satisfying reason and formulation, why for a point mass,
that is fixed in a rotational system and the radius is changed (like pulling on a string with a small ball rotating ...
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