A large particle with radius r hits the plane with perpendicular 'n' and passing through ,q'. I need to check whether it hits the plane or not. In order to do that I need to find the point of contact. My question is: we should shorten the 'p' by r to get the point of contact?
particle with radius 'r' hits the plane. what is the point of contact?
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$\begingroup$
vector-spaces
3d