During its descent into Titan's atmosphere, the Huygens probe found
A) large oceans of liquid methane covering the entire surface
B) small pools of liquids directly beneath its descent path
C) a completely smooth, frozen surface with no sign that any liquids had ever been present
D) no sign of flowing or pooled liquids currently on the surface although channels carved in the past by fluids were seen
D
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Write the node equations for determining the temperature distribution through the cast iron lathe slide shown in Figure 2-68.
A block is pushed across a horizontal surface by the force shown. If the coefficient of kinetic friction between the block and the surface is 0.30, F = 20 N, ? = 30°, and M = 3.0 kg, what is the magnitude of the acceleration of the block?
a.
2.8 m/s2
b.
2.3 m/s2
c.
1.8 m/s2
d.
3.3 m/s2
e.
5.4 m/s2
Light pollution makes it impossible to see faint objects
Indicate whether the statement is true or false
Describe the Miller experiment and explain its importance
What will be an ideal response?