[填空题]
Pelicans tuck their ww k*ag:cxcor( fux8s;d ,9+( ujurkv6hm ,+ geings and free fall s izr13yj d34dn;oc6a yqiy(- qtraight down when diving for fish. Suppose a pelican starts its dive from a height of 16.0 m and cannot change its path once committed. If it takes a fish 0.20 s to perform evasive action, at what minimum height must it spot the pelican to escap-d6 or1(c q3a;3yzdyj yniq4ie? Assume the fish is at the surface of the water. m