What was the radius of the circle

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Reference no: EM13313579

A skater spins with her arms extended at a speed of 11 m/s. If she then whips her arms in to her body to form a circle with a radius of 0.4 m and spins at a new speed of 24 m/s, what was the radius of the circle that she formed with her arms extended? (Assume net external torque is zero).

Reference no: EM13313579

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