The dipole moment of a water molecule is approximately 6.2X10-30 C m. Suppose we have two water molecules that are 10-8 m apart and oriented perpendicular to each other as shown below: B Find the electric field due to molecule A at the location of molecule B. Let's imagine that molecule A is fixed in place and molecule B is free to turn. Sketch the orientation of the molecules when B reaches its equilibrium orientation and explain your reasoning BRIEFLY. Suppose instead, we were to hold B in place and let A rotate. Sketch the final orientation of molecule A in this case and remember to justify your sketch. Is there a net force on A? on B? If so, what is the direction?

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5. The dipole moment of a water molecule is approximately 6.2X10-30 C m. Suppose we have two water
molecules that are 10-8 m apart and oriented perpendicular to each other as shown below:
A
B
a) Find the electric field due to molecule A at the location of molecule B.
b) Let's imagine that molecule A is fixed in place and molecule B is free to turn. Sketch the orientation of
the molecules when B reaches its equilibrium orientation and explain your reasoning BRIEFLY.
c) Suppose instead, we were to hold B in place and let A rotate. Sketch the final orientation of molecule
A in this case and remember to justify your sketch.
d) Is there a net force on A? on B? If so, what is the direction?
Transcribed Image Text:5. The dipole moment of a water molecule is approximately 6.2X10-30 C m. Suppose we have two water molecules that are 10-8 m apart and oriented perpendicular to each other as shown below: A B a) Find the electric field due to molecule A at the location of molecule B. b) Let's imagine that molecule A is fixed in place and molecule B is free to turn. Sketch the orientation of the molecules when B reaches its equilibrium orientation and explain your reasoning BRIEFLY. c) Suppose instead, we were to hold B in place and let A rotate. Sketch the final orientation of molecule A in this case and remember to justify your sketch. d) Is there a net force on A? on B? If so, what is the direction?
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