tate the inertia is 0.466 kg-m². kg.m2/s He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia if his angular velocity drops to 2 rev/s. kg-m2 Suppose instead he keeps his arms in and allows friction with the ice to slow him to 3.00 rev What average torque was exerted if this takes 20 seconds? N-m
tate the inertia is 0.466 kg-m². kg.m2/s He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia if his angular velocity drops to 2 rev/s. kg-m2 Suppose instead he keeps his arms in and allows friction with the ice to slow him to 3.00 rev What average torque was exerted if this takes 20 seconds? N-m
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
Transcribed Image Text:a. Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of
inertia is 0.466 kg.m².
kg.m²/s
b. He reduces his rate of spin (his angular velocity) by extending his arms and increasing his
moment of inertia. Find the value of his moment of inertia if his angular velocity drops to 2.13
rev/s.
kg-m2
c. Suppose instead he keeps his arms in and allows friction with the ice to slow him to 3.00 rev/s.
What average torque was exerted if this takes 20 seconds?
N-m
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