A 52 rm kg ice skater spins about a vertical axis through, Ask an Expert

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Q. A 52 {rm kg} ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.50 turns each second. The distance from one hand to the other is 1.5 {rm m}. Biometric measurements indicate that each hand typically makes up about 1.25 percent of body weight.

Q. What is the acceleration experienced by the tip of the 1.70 cm-long sweep second hand on your wrist watch?

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