The geysers and hot springs of Yellowstone National Park result from
A) thin continental crust separating and creating a rift valley.
B) plumes of hot mantle rising in a hot spot within a plate.
C) plates that have slipped sideways relative to each other, creating a fault.
D) a plate that has run up against an existing continental plate.
E) a fault.
B
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One type of strain gauge consists of a long thin wire or foil that is folded multiple times, as shown in Figure 6.30. The strain gauge is embedded in an adhesive tape so that the gauge can be attached to a specimen. The wire strains the same amount as the specimen does. Determine the relationship between the change in resistance ?R and the strain (?). Assume that the resistivity (?) of the wire is constant over this strain range and that the material has a Poisson’s ratio of ?. This is a difficult problem.
What will be an ideal response?
To increase the temperature of 50 grams of water by 2 Celsius degrees requires
A) 0.04 calorie. B) 2 calories. C) 4.19 calories. D) 25 calories. E) 100 calories.
When two identical waves undergo _______________ interference, the net amplitude is zero
Fill in the blank(s) with correct word
Energy is released during a nuclear reaction due to a conversion between mass and energy. Mass is not conserved. The initial and final amounts are different. If a total of 1.0 gram of mass is "missing", how much energy has been released?
a. 9.0 × 10^11 J b. 9.0 × 10^17 J c. 9.0 × 10^15 J d. 9.0 × 10^13 J e. 9.0 × 10^16 J