A figure skater on ice with arms extended,spins at a rate of 3.5 rev/s.After he draws his arms in,he spins at 6.0 rev/s.By what factor does the skater's kinetic energy change when he draws his arms in?
A)2.4
B)1.7
C)0.58
D)0.12

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The Answer of A figure skater on ice with arms extended,spins at a rate of 3.5 rev/s.After he draws his arms in,he spins at 6.0 rev/s.By what factor does the skater's kinetic energy change when he draws his arms in?
A)2.4
B)1.7
C)0.58
D)0.12

A Figure Skater on Ice with Arms Extended,spins at a Rate