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