Contrast S and P waves in terms of speed and transmission through the interior
What will be an ideal response?
P waves travel faster, and can move through the molten outer core, while slower S waves are not able to pass through a fluid such as the core.
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Answer the following statement(s) true (T) or false (F)
1. A particle’s Newtonian x-momentum 
is always either equal to or smaller than the x component of the particle’s four-momentum px
2. A particle’s mass is always either equal to or smaller than the time-component of its four-momentum
3. The absolute value of the x component of a particle’s four-momentum vector is always either equal to or smaller than its t component
4. The squared magnitude of a four-vector could be negative.
5. The squared magnitude of a particle’s four-momentum could be negative.
What quantities are plotted on a blackbody radiation curve?
a. total radiated energy vs. temperature b. radiation intensity vs. wavelength c. wavelength of peak emission vs. temperature d. none of the above
A 4.0-kg mass has a velocity of 4.0 m/s, east when it explodes into two 2.0-kg masses. After the explosion one of the masses has a velocity of 3.0 m/s at an angle of 60° north of east. What is the magnitude of the velocity of the other mass after the explosion?
a. 7.9 m/s b. 8.9 m/s c. 7.0 m/s d. 6.1 m/s e. 6.7 m/s
Karst topography is dominated by
A) rivers and lakes. B) sinkholes, caves, and caverns. C) rugged hills and valleys. D) glaciers.