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QUESTION
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?
