college physics
posted by lucy .
The spring constant can be determined from the oscillatory motion. For this case, Newton's second law gives
[(m(d^2)x) / (d(t^2))] + kx = 0
where x is the displacement from the equilibrium position. The sample mass is suspended from the spring by a sample holder.
Does m in this formula include the mass of the sample holder?
A. No
B. Yes
C. None of the above

college physics 
Anonymous
B. Yes
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