The first law of thermodynamics says that a machine cannot create any more than is supplied as fuel. 1. force
2. motion
3. energy
4. fuel

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

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?

What are chlorofluorocarbons and what impact do they have on the atmosphere?