A polar bear of mass 200 kg stands on an ice floe that is a uniform 1.0 m thick. What is the minimum area of the floe that will just support the bear in saltwater of density 1030 kg/m3? The density of ice is 980 kg/m3
A) 1.0 m2
B) 2.0 m2
C) 3.0 m2
D) 4.0 m2
D
You might also like to view...
Kinetic energy is conserved in __________ collisions
Fill in the blank(s) with correct word
Which of the following is true of atoms in the Universe?
A) Most of the iron in your body was produced by nuclear fission reactions. B) Most of the calcium atoms in your bones were not assembled inside stars. C) The iodine atoms were not formed during the violent deaths of rare massive stars. D) The gold and silver atoms were created in a few moments during supernova explosions.
The density of a submerged submarine at rest is about the same as the density of
A) a crab. B) iron. C) a floating submarine. D) water. E) none of the above
All three types of particles found in atoms are electrically charged
Indicate whether the statement is true or false