Find "east cross up". Let each "vector" have unit magnitude.

Find "down dot south". Let each "vector" have unit magnitude.

Find (a) “north cross west,” (b) “down dot south,” (c) “east cross up,” (d) “west dot west,” and (e) “south cross south.” Let each “vector” have unit magnitude.

A woman walks $250 \mathrm{~m}$ in the direction $30^{\circ}$ east of north, then $175 \mathrm{~m}$ directly east. Which is greater, that distance or the magnitude of her displacement?

A woman walks $250 \mathrm{~m}$ in the direction $30^{\circ}$ east of north, then $175 \mathrm{~m}$ directly east. Find the distance she walks.