A block attached to a spring with unknown spring constant oscillates with a period of 8.0 ss . Parts a to d are independent questions, each referring to the initial situation. What is the period if Part A The mass is doubled

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.