In order to get the most benefits from exercise with the least amount of risk, you should

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genyjoannerubiera

05.11.2022

Physics

We know, $1\ rpm = \dfrac{2\pi}{60} \ rad/s$ .

$64\ rpm\ is = \dfrac{2\pi}{60}\times 64\ rad/s\\\\= \dfrac{32\pi}{15}\ rad/s$

We know, kinetic energy is given by :

$K.E = \dfrac{I\omega^2}{2}\\\\I = \dfrac{2(K.E)}{\omega^2}\\\\I = \dfrac{2\times 10^6}{\dfrac{32}{15}\times \pi}\\\\I = 298415.52 \ kg \ m^2$

Hence, this is the required solution.

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