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Homework Statement
The graph of displacement versus time for a small mass at the end of a spring is shown. At t = 0, x = 0.43 cm. (a) If m = 14.3 g, find the spring constant, k. (b) Write the equation for displacement x as a function of time.
Homework Equations
f = (1/2pi) * SQRT (k/m)
f = 1/Period = 1/ 0.69 sec = 1.45 cycles/sec
SQRT (k/m) = 2 * pi * f
k = m * (2 * pi * f )^2
k = 0.0143 kg * (2 * pi * 1.45 cycles/sec
)^2
The Attempt at a Solution
1.19 N/m