Answer to Question #272939 in Physics for Hanna

Question #272939

Given that A=2i-3j+6k and B=i-2j+2k.find the scalar projection of B onto A

Expert's answer

The scalar projection of B onto A "=(\\vec a\\cdot\\vec b)\/|\\vec a|="

"=(2\\cdot1+(-3)\\cdot(-2)+6\\cdot2)\/\\sqrt{2^2+3^2+6^2}="

"=20\/7=2.86" . Answer

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