Question 1
To the nearest percent, what fraction of an iceberg is submerged? (ρice = 917 kg/m3, ρsea = 1.03 × 103 kg/m3.)
◦
95%
◦
93%
◦
91%
◦
89%
◦
77%
Question 2
Two identical fish, both at sea level, float in two identical aquariums with identical quantities of water. Fish A is in Alaska, so it weighs more than fish B at the equator, since g is larger at sea level in Alaska. Which statement is correct?
◦
A comparison is impossible unless they are both floating at the same level.
◦
Fish A displaces a greater quantity of water than fish B.
◦
Fish B displaces a greater quantity of water than fish A.
◦
They both displace the same quantity of water.
◦
Fish A has a smaller acceleration than Fish B when equal horizontal forces are applied to each, because Fish A weighs more.
Cartilaginous fish
Does this child have legs of different lengths or scoliosis? Look at the level of the iliac crests a
viper fish
Box-fish
Fish-shaped Perfume Bottle
Structure and function of the gills of a bony fish.