Spring Constant, Acceleration, Potential Energy
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1. A large spring requires a force of 150 N to compress it only 0.010 m. What is the spring constant of the spring?
a. 125 000 N/m
b. 15 000 N/m
c. 15 N/m
d. 1.5 N/m
2. A 0.20-kg object is attached to a spring with spring constant k = 10 N/m and moves with simple harmonic motion over a horizontal frictionless surface. At the instant that it is displaced from equilibrium by â?'0.050 m, what is its acceleration?
a. 1 000 m/s2
b. â?'40 m/s2
c. 0.1 m/s2
d. 2.5 m/s2
3. A 0.20-kg object is oscillating on a spring with a spring constant of k = 15 N/m. What is the potential energy of the system when the object displacement is 0.040 m, exactly half the maximum amplitude?
a. zero
b. 0.006 0 J
c. 0.012 J
d. 2.5.
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Solution Summary
The solution determines the spring constant, acceleration, and potential energy.
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