A pendulum is made by attaching a $4.00 \mathrm{~kg}$ mass to the end of a thin, massless rod. The period of small-amplitude oscillations of the pendulum is $1.00 \mathrm{sec}$. What is the length of the rod?
A) $29.7 \mathrm{~cm}$
B) $34.1 \mathrm{~cm}$
C) $36.2 \mathrm{~cm}$
D) $24.8 \mathrm{~cm}$
E) $31.4 \mathrm{~cm}$

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The Answer of A pendulum is made by attaching a $4.00 \mathrm{~kg}$ mass to the end of a thin, massless rod. The period of small-amplitude oscillations of the pendulum is $1.00 \mathrm{sec}$. What is the length of the rod?
A) $29.7 \mathrm{~cm}$
B) $34.1 \mathrm{~cm}$
C) $36.2 \mathrm{~cm}$
D) $24.8 \mathrm{~cm}$
E) $31.4 \mathrm{~cm}$

A Pendulum Is Made by Attaching A 4.00 kg4.00 \mathrm{~kg}4.00 kg Mass to the End of a Thin, Massless Rod

A Pendulum Is Made by Attaching A $4.00 \mathrm{~kg}$ Mass to the End of a Thin, Massless Rod