Answer to Question #139747 in Physics for Paul

Question #139747

find the vector sum of the 3 vectors. A= -3i - 2j + 7k, b=i + 3j + 3k, c= -5k

Expert's answer

Vector addition is done component wise: "(x_1, y_1, z_1) + (x_2, y_2, z_2) = (x_1 + x_2 , y_1 + y_2, z_1 + z_2)"Therefore:

"\\bold a + \\bold b + \\bold c = (-3, -2, 7) + (1, 3, 3) + (0, 0, -5) = (-2, 1, 5)"

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