An incident ray is represented by the vector (units arbitrary)
MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices
Problem
An incident ray is represented by the vector v=3i^−4j^ (units arbitrary). It strikes a plane whose unit normal is n^=21(0i^+1j^+1k^). Find the reflected ray vector vr.
(a) 3i^+4j^+0k^
(b) 3i^+0j^+4k^
(c) 3i^−8j^−4k^
(d) 3i^−2j^+2k^