A $1 \mathrm{~m}$ long massless cantilever beam oscillates at $2 \mathrm{~Hz}$, while a $60 \mathrm{~kg}$ mass is attached at the tip of it. The flexural rigidity of the beam (in $\mathrm{kN}-\mathrm{m}^{2}$ ) is__________________(accurate to two decimal places).

A $1 \mathrm{~m}$ long massless cantilever beam oscillates at $2 \mathrm{~Hz}$, while a $60 \mathrm{~kg}$ mass is attached at the tip of it. The flexural rigidity of the beam (in $\mathrm{kN}-\mathrm{m}^{2}$ ) is__________________(accurate to two decimal places).

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