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17. A figure skater started his spinning at 3 rev/sec initially with rotational inertia 35 kgm². Then he pulled his arms closer toward the center of his body to decrease the moment of inertia to 20 kgm². What is the final spinning in rev/sec? a. 5.25 rev/s b. 1.71 rev/s c. 3.00 rev/s d. 3.14 rev/s

17. A figure skater started his spinning at 3 rev/sec initially with rotational inertia 35 kgm². Then he pulled his arms closer toward the center of his body to decrease the moment of inertia to 20 kgm². What is the final spinning in rev/sec? a. 5.25 rev/s b. 1.71 rev/s c. 3.00 rev/s d. 3.14 rev/s

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17. A figure skater started his spinning at 3 rev/sec initially with rotational inertia 35 kgm². Then he pulled his arms closer toward the center of his body to decrease the moment of inertia to 20 kgm². What is the final spinning in rev/sec? a. 5.25 rev/s b. 1.71 rev/s c. 3.00 rev/s d. 3.14 rev/s
Transcribed Image Text:17. A figure skater started his spinning at 3 rev/sec initially with rotational inertia 35 kgm². Then he pulled his arms closer toward the center of his body to decrease the moment of inertia to 20 kgm². What is the final spinning in rev/sec? a. 5.25 rev/s b. 1.71 rev/s c. 3.00 rev/s d. 3.14 rev/s
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