When snow falls, the surrounding air is normally
A) cooled.
B) warmed.
C) both of these
D) none of the above
Answer: B
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A coil lies flat on a table top in a region where the magnetic field vector points straight up. The magnetic field vanishes suddenly. When viewed from above, what is the sense of the induced current in this coil as the field fades?
A) The induced current flows counterclockwise. B) There is no induced current in this coil. C) The induced current flows clockwise. D) The current flows clockwise initially, and then it flows counterclockwise before stopping.
For germanium at a tensile stress of 41 MPa and a temperature of 695°C, what is the primary creep mechanism? The shear modulus of germanium is 41 GPa.
What will be an ideal response?
Most of Mars' water is now locked in a ________ layer below the surface
Fill in the blank(s) with correct word
Centripetal force changes linear momentum but not angular momentum
a. True b. False Indicate whether the statement is true or false