A Mass Attached to a Spring Has Simple Harmonic Motion

question 88

Multiple Choice

A mass attached to a spring has simple harmonic motion with an amplitude of 4.0 cm.When the mass is 2.0 cm from the equilibrium position,what fraction of its total energy is potential energy?

• A)one-quarter
• B)one-third
• C)one-half
• D)two-thirds
• E)three-quarters

---

Definitions:

Confidence Level

The degree of certainty that a parameter lies within a specified range.

Confidence Interval

A set of values from sample statistics expected to cover the value of a not-yet-known population parameter.

Unbiased Estimator

A statistical estimator that is expected to equal the true parameter of the population being studied.

Consistent Estimator

A statistical property where an estimator of a parameter tends to converge to the true parameter value as the sample size increases.