After a skydiver reaches terminal velocity,
a. the force of gravity no longer performs work on the skydiver.
b. work performed by the force of gravity is converted into gravitational potential energy.
c. gravitational potential energy is no longer available to the system of the skydiver plus the Earth.
d. gravitational potential energy is converted into thermal energy.
e. thermal energy is converted into gravitational potential energy.
d
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The absence of folded mountain ranges on Mars suggests that it has been subjected to plate tectonics
Indicate whether the statement is true or false
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Answer the following statement true (T) or false (F)
The universal gravitational constant G was first measured
A) before Newton's time. B) by Newton himself. C) after Newton's time.
?Instructions: On occasion, the notation 
will be a shorthand notation for 
.
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Exhibit 3-2
A child starts at one corner of a cubical jungle gym in a playground and climbs up to the diagonally opposite corner. The original corner is the coordinate origin, and the x, y and z axes are oriented along the jungle gym edges. The length of each side is 2 m.
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Use this exhibit to answer the following question(s).
Refer to Exhibit 3-2. What is the child's distance from her starting position?
A. 2.8 m
B. 3.5 m
C. 6.0 m
D. 6.9 m
E. 12.0 m