from your answers in Q4. how does the velocity of the air that is pushed out of the rocket compare to the velocity of the balloon rocket
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A rocket in its simplest form is a chamber enclosing a gas under pressure. A small opening at one end of the chamber allows the gas to escape, and in doing so provides a thrust that propels the rocket in the opposite direction.
tiffanyhyun:
ty it is true?
hmm
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