A cruise ship travels directly toward the dock with a velocity of 12 m/s relative to the water. A passenger walks 2 m/s in the same direction as the picture below shows. How far has the passenger walked relative to the dock after 3 seconds?

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

explanation:

v=uf/(u-f)

= 5.-10/(5+10) convex lens has negative focal length

are there options? cause you ain’t. real specific