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8. A= -2î + -3ŷ and B = -4â + -4ŷ. Calculate R = A+ B. A. Ř= -6ê + -7âŷ B. R= -8â + -9ŷ C. Ř= -10â + -1lý D. Ř = -12î + -13ý

8. A= -2î + -3ŷ and B = -4â + -4ŷ. Calculate R = A+ B. A. Ř= -6ê + -7âŷ B. R= -8â + -9ŷ C. Ř= -10â + -1lý D. Ř = -12î + -13ý

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8. Ã = -2ê + -3ŷ and B = -4ê + -4ỹ. Calculate Ř = Ä+ B. A. R= -6â + -7ŷ B. R= -8â + -9ŷ C. R= -10ê + -1lŷ D. Ř = -12â + -13ŷ 9. Ã= -2â + -3ý and B = -4â + -4ŷ. Calculate R = Ã+ B. Calculate R, the magnitude of R. A. 7.7 В. 8.2 С. 8.7 D. 9.2 10. Ā = -2â + -3ŷ and B = -4â +-4ý. Calculate R =Ã+B. Calculate 0, the direction of R. Recall that 0 is defined as the angle with respect to the +x-axis. А. 49.4° В. 130.6° C. 229.4° D. 310.6°
Transcribed Image Text:8. Ã = -2ê + -3ŷ and B = -4ê + -4ỹ. Calculate Ř = Ä+ B. A. R= -6â + -7ŷ B. R= -8â + -9ŷ C. R= -10ê + -1lŷ D. Ř = -12â + -13ŷ 9. Ã= -2â + -3ý and B = -4â + -4ŷ. Calculate R = Ã+ B. Calculate R, the magnitude of R. A. 7.7 В. 8.2 С. 8.7 D. 9.2 10. Ā = -2â + -3ŷ and B = -4â +-4ý. Calculate R =Ã+B. Calculate 0, the direction of R. Recall that 0 is defined as the angle with respect to the +x-axis. А. 49.4° В. 130.6° C. 229.4° D. 310.6°
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