Classical Dynamics of Particles and Systems · Problem 1-41

Newtonian Mechanics—Single Particle — Marion & Thornton

Physics — Mechanics · vector-operations

Problem

For what values of

a

are the vectors

\mathbf{A} = 2a\mathbf{i} - 2\mathbf{j} + a\mathbf{k}

and

\mathbf{B} = a\mathbf{i} + 2a\mathbf{j} + 2\mathbf{k}

perpendicular?