Answer to Question #72987 in Mechanics | Relativity for f

Question

Given two vectors A⃗ =4.00i^+7.00j^ and B⃗ =5.00i^−2.00j^ , find the vector product A⃗ ×B⃗ (expressed in unit vectors).
Express your answer in terms of the unit vectors i^, j^, and k^. Use the 'unit vector' button to denote unit vectors in your answer.

Answer 1

A×B = -4×2 k^ - 5×7k^
= -8k -35k
= -43 k^