You want to wind a solenoid that is 3.5 cm in diameter, is 14 cm long, and will have a magnetic field of 0.0250 T when a current of 3.0 A is in the wire that makes up the solenoid. 1) What total length of wire do you need

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.