What aspect of Titan may hold clues as to what Earth was like before life arose here?
A) its intense volcanic activity
B) its expansive liquid oceans
C) the rate of radioactive decay of its inner core
D) an intriguing soup of organic molecules
Answer: D
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What will be an ideal response?
The temperature of an object from which no heat energy can be extracted is
a. 0? F b. 0? C c. 0? K d. 100? K e. 100? C
A top of rotational inertia 4.0 kg m2 receives a torque of 2.4 Nm from a physics professor. The angular acceleration of the body will be
A. 6.0 rev/s2. B. 0.6 rad/s2. C. 1.2 rev/s2. D. 1.0 rad/s2. E. 6.0 rad/s2.
The trajectory of a cannonball fired from a canon depends on
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