Question: If the angular velocity Ï is held constant, by what factor must R change to double the rotational kinetic energy of the dumbbell in FIGURE

If the angular velocity ω is held constant, by what factor must R change to double the rotational kinetic energy of the dumbbell in FIGURE Q12.2?

т, R M2 FIGURE Q12.2

, R M2 FIGURE Q12.2

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