Which aspect of relativity makes faster-than-light travel theoretically possible? a) time dilation b) the ability of space-time to move c) mass-energy equivalence d) gravity bending light

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?

If a balloon is taken outside on a very cold day, what will occur?

Arrange the images in order to show how lake-effect snow occurs.