Nastia Luikin can reduce her rotational inertia by a factor of about 3.3
when changing from a straight position to a tuck position.If it takes her 0.4 s to make
one full rotation (or revolution) in a straight position,what is her angular speed when in a
tuck position?Provide your answer in rev/s as well as in rad/s.
我不是要翻译。