IB skill practice

Calculate vector product magnitude

Use vector lengths and angle to calculate cross-product magnitude.

Paper 1, Paper 2 5 marks Difficulty 3

Calculate vector product magnitude - official syllabus scenario

A environmental sensor has vectors with magnitudes 5 and 7 and included angle \(45^\circ\). Calculate \(|\mathbf a\times\mathbf b|\). Enter the requested value and choose the interpretation that matches the result.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.