Three remote control cars are identical size and weight. the motors installed in the three cars are 100 watts, 150 watts and 200 watts respectively. describe what will be true about the maximum speed of each car? explain.

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.