Which of the following objects are probably not located in the same region of the solar system in which they originally formed?
A) Kuiper belt comets
B) Oort cloud comets
C) asteroids of the asteroid belt
D) Pluto
B
Physics & Space Science
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The force that keeps your feet from sliding as you walk is
a. centripetal force b. weight c. kinetic friction d. static friction e. none of the above
Physics & Space Science
Stress is proportional to strain means that
A.
stress = constant × strain.
B.
stress = (constant 1) × strain + constant 2.
C.
stress = 
.
.D.
stress = 
.
.E.
stress × strain = constant.
Physics & Space Science
Suppose you were near a site with mercury pollution and were told that a plant could take mercury up, but that it would emit mercury vapor. Would it be worth planting these plants? Why or why not? (This is an expected phenomenon.)
What will be an ideal response?
Physics & Space Science
A light ray strikes the surface of sapphire (n = 1.77) at an angle of incidence of 
What angle of refraction results?
A. 
B. 
C. 
D. 
E. 
Physics & Space Science