When a skater pulls her arms in, it reduces her moment of inertia from 2.12 kg•m2 to 0.699 kg•m2. If she was initially spinning 3.25 rad/s, what is her final angular velocity?

Which statement best explains why an object weight less on mercury than it does on earth

How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33