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A ball is stuck 0.87 m from the center of a disk spinning at 27 rpm. If its angular momentum is 0.6869 J*s, what is its mass?

kg

A ball is stuck 0.49 m from the center of a disk spinning at 27 rpm. If its angular momentum is 0.2613 J*s, what is its mass?

kg

A ball is stuck 0.8 m from the center of a disk spinning at 6 rpm. If its angular momentum is 0.1801 J*s, what is its mass?

kg

A ball is stuck 0.25 m from the center of a disk spinning at 16 rpm. If its angular momentum is 0.02387 J*s, what is its mass?

kg

A ball is stuck 0.94 m from the center of a disk spinning at 17 rpm. If its angular momentum is 0.3775 J*s, what is its mass?

kg

A ball is stuck 0.62 m from the center of a disk spinning at 28 rpm. If its angular momentum is 0.0834 J*s, what is its mass?

kg