Question

Problem 5: Near the surface of the Moon the acceleration due to gravity is roughly 1.67 m/s2 towards the lunar surface. The weapons platform begins to free-fall from 2 km up towards the surface initially with a velocity of O with all the members of the Presidential Time Squad onboard. A: What would be the velocity of the platform when it contacts the lunar surface? B: If James Monroe can re-activate the thrusters, they can provide an upwards acceleration of 10 m/s2. How much time does the fifth president of the US have to get control in order for the velocity of the weapons platform to be 0 when it reaches the surface and save the Presidential time Squad?

Answer 1

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