Physics, 20.09.2019 21:20 ThetPerson
Astudent determined to test the law of gravity for himself walks off a skyscraper 900 ft high, stopwatch in hand, and starts his free fall (zero initial velocity). five seconds later, superman arrives at the scene and dives off the roof to save the student. (a) what must superman’s initial velocity be in order that he catch the student just before the ground is reached? (b) what must be the height of the skyscraper so that even superman can’t save him? (assume that superman’s acceleration is that of any freely falling body.)
Answers: 3
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Astudent determined to test the law of gravity for himself walks off a skyscraper 900 ft high, stopw...
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