[填空题]
A plumber steps out of his truck, walks 50 m east and 25 m 4whz6 uy/fa m/wj puc3h3g5j+south, ny,t2*kj ):r6 f ccxdiand then takes an elevator 10 m down into the:yd6r2cji tk*cn )f ,x basement of a building where a bad leak is occurring. What is the displacement of the plumber relative to his truck? Give your answer in components, and also give the magnitude and angles with the x axis in the vertical and horizontal planes. Assume x is east, y is north, and z is up.
The result is that the displacement is m , at an angle of $^{\circ}$ South of East, and $^{\circ}$ Below the Horizontal.
