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Physics Rotation problem?
A diver goes into a somersault during a dive by tucking her limbs. If her rotational kinetic energy is 138 J and her moment of inertia in the tuck is 7.4 kg · m^2, what is her rotational rate during the somersault (in rad/s)?
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- ?Lv 74 months agoFavorite Answer
KE = ½Iω²
ω = √(2KE/I)
ω = √(2(138)/7.4)
ω = 6.1071... ≈ 6.1 rad/s
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