Part K

An object is undergoing SHM with amplitude A$.$ For what values of the displacement is the kinetic energy equal to $(1)/(3)$ of

the total mechanical energy?

Express your answer in terms of A$.$

x$\_($K$)=($E$)/(3)=$

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Part L

For what values of the displacement is the kinetic energy equal to $(4)/(5)$ of the total mechanical energy?

Express your answer in terms of A$.$

x$\_($K$)=(4)/(5)$E$=$