6-21. Locate the centroid y of the area. 4 ft 1=1/2² 4 ft x
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- 7. Refer to Fig.1. What are the Miller indices for the planes shown in (a) and (b), assuming both are simple cubes? (a) (b)Given the vectors i =(- 3, 7, 4] and y = [- 6, 0, 8], determine b) proj „ . a) The angle between i and ỹDetermine the Miller indices for the directions A, B, C and D shown in the following cubic unit cell.
- If =- 3;-63+ 1kand č= - 33 - 23- 3g, what is the magnitude of č x B (give your answer to the nearest 0.1)?Which of the following gives the correct solution(s) for the equation 2x = x - 4 ? O A. no solution O B. {2} O C. {8} O D. {2,8}1.3 Determines the value of m so that the vectors ū = [-2,6,4] and v = [m,9,6] are: A) collinear B) orthogonal