Which of these forces has to act before the other three can come into play?
A) Coriolis force
B) frictional force
C) centrifugal force
D) pressure gradient force
E) none of the above
D
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Under normal operating conditions, you are likely to get a higher dose of radiation, living next to a nuclear plant than a coal-burning plant.
Answer the following statement true (T) or false (F)
Looking at the map (11.5), the three major U.S. cities with the highest risk of tornados are ________
Fill in the blank(s) with correct word
Match the diagram with the appropriate oil trap term
A) Stratigraphic trap (pinchout trap) B) Salt dome C) Fault trap D) Anticline 1) 2) 3) 4)
When Burl and Paul on a sign-painting scaffold are in equilibrium, the net upward supporting force of the vertical ropes is
A. equal and opposite to the combined weights of Burl, Paul, and the scaffold. B. greater than their weights. C. equal to their weights. D. none of the above