Un satellite m=1800kg se se deplace vers la ligne selon la ligne qui passe par leurs centres de gravite. On appelle a la distance entre le Centre de gravite de la Terre et celui du satellite et D la distance entre la Terre et la lune on Donne D=3,84*10^{5} 1) Donner l'expression de l'intensite commune de l'attraction universselle exerce entre le Terre et le satellite puis celle exerce entre la lune et le satellite

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

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.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?