The force a spring exerts on a body is a conservative force because
a. a spring always exerts a force opposite to the displacement of the body.
b. a spring always exerts a force parallel to the displacement of the body.
c. the work a spring does on a body is equal for compressions and extensions of equal magnitude. d. the work a spring does on a body is equal and opposite for compressions and extensions of equal magnitude. e. the net work a spring does on a body is zero when the body returns to its initial position.
E
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A) a total lunar eclipse B) a total solar eclipse C) a partial lunar eclipse if the Moon is at perigee D) an annular lunar eclipse E) a partial solar eclipse
Geologists have principally used which class of rocks for radiometric dating?
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A magnetic field will be produced at a point in space if an electric field at that point
a. exists b. gets stronger c. gets weaker d. changes direction e. all of the above
Collovium
What will be an ideal response?