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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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
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
Karst topography is dominated by
A) rivers and lakes. B) sinkholes, caves, and caverns. C) rugged hills and valleys. D) glaciers.
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.