In a liquid metal fbr, no neutron moderation is desired and sodium is used as a coolant to minimize fission-nutron thermalization. how many scatters with sodium, on average, would it take for 2 mev neutron to reach an average thermal energy of 0.025 ev

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.