dillonshawn3721 dillonshawn3721
  • 22-11-2022
  • Physics
Answered

A figure skater spins with her arms extended. When she pulls in her arms, she reduces her rotational inertia and spins faster so that her angular momentum is conserved. Compared to her initial rotational kinetic energy, her rotational kinetic energy after she pulls in her arms must be.



Answer :

Other Questions

A ball is thrown up into the air with 100 j of kinetic energy, which is transformed to gravitational potential energy at the top of its trajectory. The ball enc
A ball is thrown vertically upward. As it rises, what happens to its kinetic energy?.
Light with some unknown wavelength is incident on a piece of copper. The most energetic electrons emitted from the copper have 2. 7 ev of kinetic energy. If the
In a perfectly inelastic collision, the final velocity of the higher-momentum object is __________ the final velocity of the lower-momentum object.
the concepts of work, power, and impulse are all related to momentum and energy transfer. Which of the following are scalars (as opposed to vectors)? Multiple S