The force produced by gravity on a mass is called

What is the difference between electrically neutral objects and electrically charged objects

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.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?