Self-concept helps us evaluate our strengths and weaknesses evaluate our individual worth reject negative feedback reject positive reinforcement

What are two different ways you could find the value of a? explain these methods.

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.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force