After jumping, the diver in the previous problem is spinning in mid-air with an initial kinetic energy of 1000 Joules. He then makes his rotational inertia 3 times smaller by pulling his arms and legs closer to his center of mass. GTC X A) In Joules, how much work does it take to change his rotational inertia? B) From the picture and coordinate system shown, what direction is his angular velocity? y|
After jumping, the diver in the previous problem is spinning in mid-air with an initial kinetic energy of 1000 Joules. He then makes his rotational inertia 3 times smaller by pulling his arms and legs closer to his center of mass. GTC X A) In Joules, how much work does it take to change his rotational inertia? B) From the picture and coordinate system shown, what direction is his angular velocity? y|
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Transcribed Image Text:T
After jumping, the diver in the
previous problem is spinning in mid-air
with an initial kinetic energy of 1000
Joules. He then makes his rotational
inertia 3 times smaller by pulling his arms
это
and legs closer to his center of mass.
X
A) In Joules, how much work does it take to change his rotational inertia?
B)
From the picture and coordinate system shown, what direction is his
angular velocity?
y
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