What is the kinetic energy of a 2,000-kilogram ball that is on the ground

How many moles of al3+ ions are in 1.25 moles of al2o3

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

Which three statements represent the benefits of performing experiments using computer simulations?