From the Frequency of Vibration the Effective Force Constant of the HCl

Multiple Choice

From the frequency of vibration the effective force constant of the HCl molecule is found to be 840 N/m.In order to appreciate the stiffness of the binding force,or imaginary "spring," between the H and Cl,calculate how far a spring of the same stiffness would extend if a 10 kg weight were hung from it.

A) 0.12 cm
B) 8.3 m
C) 12 mm
D) 8.3 mm
E) 12 cm