Answer to Question #345507 in Physics for Beki

Question #345507

The vector is given by R=3i+4j-5k find the magnitude of the xy component and the angle between R and xy axis

1
Expert's answer
2022-05-28T08:22:59-0400

The magnitude of the xy component is given by

"R_{xy}=\\sqrt{3^2+4^2}=5"

The angle between R and xy axis

"\\theta=\\cos^{-1}\\frac{R_{xy}}{R}"

"\\theta=\\cos^{-1}\\frac{5}{5\\sqrt{2}}=45^\\circ"


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