Movimientos. De las siguientes afirmaciones:
I. La trayectoria es la huella dejada por una partícula en movimiento
II. La velocidad media es siempre tangente a la trayectoria de una partícula III. La rapidez media y la rapidez instantánea tienen el mismo sentido Son falsas​

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly