Two identical spheres are resting on a horizontal surface at a distance of 0.04 m from each other, each attached to an identical unstretched spring with a spring constant of 100 N/m. If we charge the spheres with a negative charge of -1.60 ìC each, what is the new spacing between the spheres? Coulomb's constant is k = 9.0 × 109 N m2/C2.
A) 0.14 m
B) 0.18 m
C) 0.32 m
D) 0.36 m
Correct Answer:
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