An ostrich runs north in a straight line for 21 meters. she then turns around and runs 25 meters back toward her nest (south) on the same path. what is her displacement? explain

can you attach a picture of the lettuce? : )

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.