Two charges lie on the x axis, +2q at the origin, and -3q at x = 5.0 m. The point on the x axis where the electric potential has a zero value (when the value at infinity is also zero) is
a. 1.0 m.
b. 2.0 m.
c. 2.5 m.
d. 3.0 m.
e. 4.0 m.
B
You might also like to view...
Convection in Earth's mantle is attributed to
A) sinking cold oceanic crust. B) gravity and heat flow. C) conduction of heat from Earth's core. D) temperature differences between continental and oceanic crust.
When water changes from solid ice to a liquid, it
A) loses energy. B) gives off energy. C) gains energy. D) radiates energy.
An _________in crystallinity in a polymer increases the yield strength.
Fill in the blank(s) with the appropriate word(s).
Which of the following best explain what we think happened to outgassed water vapor on Venus?
A) Ultraviolet light split the water molecules, and the hydrogen then escaped to space. B) It turned into carbon dioxide by reacting with nitrogen in Venus's atmosphere. C) Water was removed from the atmosphere by chemical reactions with surface rock. D) It is frozen as water ice in craters near the poles.