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(a) Describe the main components of rocket engine and its functions. (b) Use the concept of linear impulse and Figure Q1 to derive the

 

(a) Describe the main components of rocket engine and its functions. (b) Use the concept of linear impulse and Figure Q1 to derive the thrust equation. Ae Pe m time t Pa V (a) dm m-dm time t + dt Pa v+do [3 mark] [3 mark] (b) Figure Q1 (c) Under what nozzle conditions is a rocket motor said to be optimized (i.e. produces maximum thrust), use a diagram to explain your reasoning. [2 marks]

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