QUESTION

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At the instant of vertical launch the rocket expels exhaust at the rate of $220 \mathrm{~kg} / \mathrm{sec}$ with an exhaust velocity of $820 \mathrm{~m} / \mathrm{sec}$. If the initial vertical acceleration is $6.80 \mathrm{~m} / \mathrm{sec}^{2}$, calculate the total mass of the rocket and fuel at launch.

Public Answer

44MJQK The First Answerer