Collision of two balls of finite radius
114593
Physics of simple collisions
37448
Two Circles and Tangents from Their Centers Problem
50575
Collisions in space/vacuum
117230
Collision detection optimization for a top down shooter
147149
Intersection of two arcs on sphere
25056
Randomly packing spheres of fixed radius within a cube
33271
Two bodies of finite size treated as two point masses in Newtonian gravity
33074
Calculate the area on a sphere of the intersection of two spherical caps
72468
Open and closed balls in $C[a,b]$
48647
Ball to Ball Collision - Detection and Handling
31033
Is momentum conserved in the collision of a ball with a hanging rod?
65052
The distance between touching objects
61455
Narrow-phase collision detection algorithms
58053
How does a collision engine work?
38165
Collision detection with complex shapes
70691
Elastic collision in two dimensions
34616
Number of ways of distributing balls into boxes