MCQOPTIONS
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MCQOPTIONS
| 1. |
Convert the vector P to Cartesian coordinates where P = r ar + cos a . |
| A. | ( frac{1}{ sqrt{x^2+y^2+z^2}} [( frac{x}{ sqrt{x^2+y^2+z^2}}- frac{xyz}{ sqrt{x^2+y^2 }})az + ( frac{y}{ sqrt{x^2+y^2+z^2}}+ frac{xyz}{ sqrt{x^2+y^2}})ay+ frac{z}{ sqrt{x^2+y^2+z^2}} ax] ) |
| B. | ( frac{1}{ sqrt{x^2+y^2+z^2}} [( frac{x}{ sqrt{x^2+y^2+z^2}}- frac{yz}{ sqrt{x^2+y^2 }})ax + ( frac{y}{ sqrt{x^2+y^2+z^2}}+ frac{xz}{ sqrt{x^2+y^2}})ay+ frac{z}{ sqrt{x^2+y^2+z^2}} az] ) |
| C. | ( frac{1}{ sqrt{x^2+y^2+z^2}} [( frac{x}{ sqrt{x^2+y^2+z^2}}- frac{y}{ sqrt{x^2+y^2 }})ax + ( frac{y}{ sqrt{x^2+y^2+z^2}}+ frac{z}{ sqrt{x^2+y^2}})ay+ frac{z}{ sqrt{x^2+y^2+z^2}} az] ) |
| D. | ( frac{1}{ sqrt{x^2+y^2+z^2}} [( frac{x}{ sqrt{x^2+y^2+z^2}}- frac{y}{ sqrt{x^2+y^2 }})ax + ( frac{y}{ sqrt{x^2+y^2+z^2}}+ frac{x}{ sqrt{x^2+y^2}})ay+ frac{z}{ sqrt{x^2+y^2+z^2}} az] ) |
| Answer» C. ( frac{1}{ sqrt{x^2+y^2+z^2}} [( frac{x}{ sqrt{x^2+y^2+z^2}}- frac{y}{ sqrt{x^2+y^2 }})ax + ( frac{y}{ sqrt{x^2+y^2+z^2}}+ frac{z}{ sqrt{x^2+y^2}})ay+ frac{z}{ sqrt{x^2+y^2+z^2}} az] ) | |