Remanent magnetism refers to the magnetism of rocks that contain the mineral named ______________
a. magnetite
b. lodestone
c. pyrite
d. none of these
a
Physics & Space Science
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If R = 4.0 k?, C = 3.0 mF, ? = 15 V, Q = 12 mC, and I = 2.0 mA, what is the potential difference Vb ? Va?
a.
+3.0 V
b.
?19 V
c.
?3.0 V
d.
+27 V
e.
+21 V
Physics & Space Science
Which of the following energy forms is associated with an object in motion?
a. potential energy b. elastic potential energy c. nonmechanical energy d. kinetic energy
Physics & Space Science
A main sequence star begins transforming into a red giant when
A) helium begins fusing. B) helium within the core begins to expand. C) contracting helium causes hydrogen to fuse. D) hydrogen starts fusing within the core.
Physics & Space Science
The ecliptic is defined as the
What will be an ideal response?
Physics & Space Science