Tanks of compressed gas must be kept away from heat sources. If a compressed–gas tank is heated too much, it may explode and cau
se a great deal of damage. Which of the following best explains why a compressed–gas tank can explode if it is heated?
A. As the gas gets hotter, the molecules gain energy and move farther apart, causing the gas to expand.
B.As the gas gets hotter, the molecules expand, causing the gas to exert more pressure.
C.As the gas absorbs heat, the molecules break apart, increasing the volume of the gas.
D.As the gas absorbs heat, the molecules move more quickly, making the gas more corrosive.
A. As the gas gets hotter, the molecules gain energy and move farther apart, causing the gas to expand.
B.As the gas gets hotter, the molecules expand, causing the gas to exert more pressure.
C.As the gas absorbs heat, the molecules break apart, increasing the volume of the gas.
D.As the gas absorbs heat, the molecules move more quickly, making the gas more corrosive.
2 answers:
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Answer:
No, projectile launched at 20° landed first.
Explanation:
70° projectile had a vertical velocity of v*sin(70), which is significantly bigger than v*sin(20). Since v=vx+at, we can see that
solve for t, you can check that by substituting velocity for any number.
Given what we know about volcanic formations, we can conclude that the Mt. St. Helens volcano was formed by the process described in option D, "Subduction an oceanic continental convergent boundary caused a mountain range to form and magma to come to the surface".
Mt. St. Helens is a volcano that falls under the category of a stratovolcano. Stratovolcanoes are volcanoes that commonly form at subduction zones. This process forms chains or clusters of mountains along the boundaries of tectonic plates, where oceanic crust is pulled under another type of crust. This process tends to form mountain ranges which contain volcanoes, such as:
- Cascade Range (To which Mt. St. Helens belongs)
- Los Andes
- Rocky Mountains
- Campania Mountain range
and so on.
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