A ballet dancer is spinning in the middle of a horizontal frictionless stage. Which of the following things could he change by moving parts of his body or his whole body? (There could be more than one correct choice.)
A) the horizontal component of his linear momentum
B) his translational kinetic energy
C) his angular momentum
D) his moment of inertia
E) his rotational kinetic energy
F) the location of his center of mass (or center of gravity)
G) his total kinetic energy

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The Answer of A ballet dancer is spinning in the middle of a horizontal frictionless stage. Which of the following things could he change by moving parts of his body or his whole body? (There could be more than one correct choice.)
A) the horizontal component of his linear momentum
B) his translational kinetic energy
C) his angular momentum
D) his moment of inertia
E) his rotational kinetic energy
F) the location of his center of mass (or center of gravity)
G) his total kinetic energy

A Ballet Dancer Is Spinning in the Middle of a Horizontal