"two point charges exert a 6.50 n force on each other. what will the force (in n) become if the distance between them is increased by a factor of 8? "

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

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.