The 15 200-kg lunar lander is descending onto the moons surface with a velocity of 2 m/s
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The 15 200-kg lunar lander is descending onto the moon’s surface with a velocity of 2 m/s when its retro-engine is fired. If the engine produces a thrust T for 4 s which varies with time as shown and then cuts off, calculate the velocity of the lander when t = 5 s, assuming that it has not yet landed. Gravitational acceleration at the moon’s surface is 1.62 m/s2.
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Related Book For
Engineering Mechanics Dynamics
ISBN: 9781118885840
8th Edition
Authors: James L. Meriam, L. G. Kraige, J. N. Bolton
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