IB skill practice

Use vector projection in 3D

Resolve vectors into projected components and interpret 3D geometry.

Paper 1, Paper 2 5 marks Difficulty 5

Use vector projection in 3D - visual perpendicular check

For 3D vectors, \(\mathbf{a}\cdot\mathbf{b}=120\) and \(|\mathbf{b}|=17\). Enter the scalar projection of \(\mathbf{a}\) onto \(\mathbf{b}\).

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