Your roommate is writing a science fiction novel and asks your advice about a plot
Chapter 7, Problem 65(choose chapter or problem)
Your roommate is writing a science fiction novel and asks your advice about a plot point. Her characters are mining ore on the Moon and launching it toward Earth. Bins with 1000 kg of ore will be launched by a large spring, to be compressed 15 m. It takes a speed of 2.4 km/s to escape the Moons gravity. What do you tell her is an appropriate spring constant?
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