21 12 Rockets are used for space travel. They use hydrogen fuel which reacts with oxygen in a combustion chamber. Look at the simple diagram of a rocket. fuel tank
combustion chamber
liquid hydrogen exhaust gas liquid oxygen
The hydrogen particles react violently with the oxygen particles in the combustion chamber. This produces the exhaust gas particles. Explain how the particles make the rocket accelerate forwards. Use ideas about momentum and force in your answer. The quality of written communication will be assessed in your answer to this question. .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... ..................................................................................................................................................... [6] [Total: 6]
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