Multiple Choice
If positive electric charges of and
coulombs are situated at positions
and
, respectively, then the force of repulsion they experience is given by
where
,
is given in newtons, and all positions are measured in meters. Assume that a charge of 7 coulombs is situated at the origin and that a second charge of 15 coulombs is situated
and moving in the
direction at 1.9 meters per second. How fast is the electrostatic force it experiences decreasing? Round your answer to the nearest trillion.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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