A figure skater is spinning at a rate of 2.00 rev/s with his arms pulled into his chest. He then extends his arms outwards, increasing his rotational inertia to 150% of its original value. What is the magnitude of his new rate of rotation?
A. 0.67 rev/s.
B. 0.89 rev/s.
C. 1.3 rev/s.
D. 1.5 rev/s.
Answer:C
A figure skater is spinning at a rate of 2.00 rev/s with his arms pulled into his chest. He then extends his arms outwards, increasing his rotational inertia to 150% of its original value. What is the magnitude of his new rate of rotation?
A. 0.67 rev/s. B. 0.89 rev/s. C. 1.3 rev/s. D. 1.5 rev/s.