...coordinate system, with the xy .....? A man goes for a walk, starting from the origin of an xyz coordinate system, with the xy plane horizontal and the x axis eastward. Carrying a bad penny, he walks 1300 m east, 1600 m north, and then drops the penny from a cliff 780 m high. (a) In unit-vector notation, what is the displacement of the penny from start to its landing point? (b) When the man returns to the origin, what is the magnitude of his displacement for the return trip?
(a)_____ i +______ j +____ k units
(b)________ Units
(a)_____ i +______ j +____ k units
(b)________ Units