A 0.5 oz model rocket is launched vertically from rest at time t=0 with a constant thrust of 0,9 lb for 0.3 seconds, and no thrust for t> 0.3 Seconds. Neglecting air resistance, and the decrease in mass of the rocket, determine (a) the maximum height h reached by the rocket, and (b) the time required to reach the maximum height.

 

Answer for the question

(a) the maximum height h reached by the rocket, y = 1160.127 ft.

(b) the time required to reach the maximum height, t= 8.64 sec

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