The XPQ-38 rocket has a mass of M = 40 tonnes. The engines at its base push upwards with a force F (called "thrust" in rocketry jargon).
In order for the rocket to reach a height H = 3 km within 30 seconds after launch, how large must the thrust be?
force x y -------------------------------- | | | | | | | | | | | | | | | | -------------------------------- total | | -------------------------------- x y -------------------------------- accel | | | | --------------------------------
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