3. Vectors
Introduction to Dot Product (Scalar Product)
10:17 minutes
Problem 7.35
Textbook Question
Textbook Question(III) The arrangement of atoms in zinc is an example of 'hexagonal close-packed' structure. Three of the nearest neighbors are found at the following (x, y, z) coordinates, given in nanometers (10⁻⁹m) : atom 1 is at (0, 0, 0); atom 2 is at (0.230, 0.133, 0); atom 3 is at (0.077, 0.133, 0.247). Find the angle between two vectors: one that connects atom 1 with atom 2 and another that connects atom 1 with atom 3.
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