skyscraper 750m high,? a student determined to test the law of gravity for herself walks off a skyscraper 750m high, stopwatch in hand, and starts her free fall ( zero initial velocity). three second later superman arrives at the scene and dives off the roof to save the student. what must the magnitude of Superman's initial velocity be so that he catches the student just before the ground is reached? Assume that superman's acceleration is that of any free falling body.
a student determined to test the law of gravity for herself walks off a
- Thread starter Saoody
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