Lightweight Jane and heavyweight Jack wish to parachute at equal terminal velocities. Jack should
A. pull upward on the supporting strands to decrease the downward net force.
B. use a larger parachute.
C. jump lightly.
D. jump first.
Answer: B
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Yugoslavia and its former republics have been a major area of tension and warfare in the 1990s
First discuss the historical, ethnic, linguistic, and religious background of Yugoslavia, and then examine the conflicts of the 1990s, including the reasons for their occurrence and what has been done to settle them.
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Answer the following statement true (T) or false (F)
Drift-net fishing catches target fish, and unintentionally traps and kills large quantities of unwanted fish, called bycatch.
Answer the following statement true (T) or false (F)
What is the dominant factor in the life of a star?
A) energy B) temperature C) composition D) gravity E) size