Some students conduct an experiment to prove conservation of momentum. They use two objects that collide. Measurements are taken before and after the collision. Which two quantities will the students multiply together before and after the collision

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)