Answer to Question #286531 in Physics for Ma. daniella gapa

Question #286531

Calculate the dot product of C= (-2.-6)N and D= (-2,3)N.

Expert's answer

"C.D=(C_1\\times D_1)+(C_2\\times D_2),""C.D=(-2\\ N\\times(-2\\ N))+(-6\\ N\\times3\\ N)=4\\ N^2-18\\ N^2=-14\\ N^2."

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