Question 8 of 9 -/1 = 1 View Policies Current Attempt in Progress The 162-lb ice skater with arms extended horizontally

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Question 8 Of 9 1 1 View Policies Current Attempt In Progress The 162 Lb Ice Skater With Arms Extended Horizontally 1 (33.65 KiB) Viewed 42 times

Question 8 of 9 -/1 = 1 View Policies Current Attempt in Progress The 162-lb ice skater with arms extended horizontally spins about a vertical axis with a rotational speed of 1.2 rev/sec. Estimate his rotational speed N if he fully retracts his arms, bringing his hands very close to the centerline of his body. As a reasonable approximation, model the extended arms as uniform slender rods, each of which is 24 in. long and weighs 17 lb. Model the torso as a solid 128-lb cylinder 13 in. in diameter. Treat the man with arms retracted as a solid 162-lb cylinder of 13-in. diameter. Neglect friction at the skate-ice interface. 1.2 rev/sec 24 rev/sec Attempts: 0 of 3 used Submit Answer Answer: N= eTextbook and Media Save for Later