When people get into a small boat it settles lower in the water and
a. the buoyant force increases as a result of more water being displaced.
b. the net force on the boat again becomes zero.
c. the pressure on the bottom of the boat becomes greater because it is deeper in the water.
d. all of the above.
d
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A planet with a density comparable to the Earth but several times more massive is described as a
A) mini-Neptune B) super-Earth C) mega-Earth D) super-Jovian
Some species of whales can dive to depths of one kilometer. What is the total pressure they experience at this depth? (?sea = 1 020 kg/m3 and 1.01 × 10^5 N/m2 = 1 atm.)
a. 9.00 atm b. 90.0 atm c. 100 atm d. 111 atm e. 130 atm
Addition by Components: The components of vectors 
and 
are given as follows:Ax = 7.6 Bx = -5.1Ay = -9.2 By = -6.8What is the magnitude of the vector difference 
- 
?
A. 13 B. 3.5 C. 16 D. 170 E. 3.4
If the ground state configuration of an atom is 
what is the atomic number of the atom?
A. 14 B. 10 C. 8 D. 4 E. 3