Tag Archive for: rockets

A rocket of total mass 3370 is traveling in outer space with a velocity of 123 . To alter its course by 21.0, its rockets can be fired briefly in a…

A rocket of total mass 3370 is traveling in outer space with a velocity of 123 . To alter its course by 21.0, its rockets can be fired briefly in a direction perpendicular to its original motion.If the rocket gases are expelled at a speed of 2300 , how much mass must be expelled?