While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank

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?

The necleus of an atom is made up of what subatomic particles?

Energy flows from the producer level to the level. is called