A student determine to test the law of gravity for himself walks off a skyscraper 300m 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. What must Superman’s initial velocity be in order that he catch the student just before the ground is reach? (Assume that Superman’s acceleration is that of any freely falling body).
A student determine to test the law of gravity for himself walks off a skyscraper 300m 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. What must Superman’s initial velocity be in order that he catch the student just before the ground is reach? (Assume that Superman’s acceleration is that of any freely falling body).
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 9OQ: A child is practicing for a BMX race. His speed remains constant as he goes counterclockwise around...
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A student determine to test the law of
gravity for himself walks off a skyscraper
300m 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. What
must Superman’s initial velocity be in order
that he catch the student just before the
ground is reach? (Assume that Superman’s
acceleration is that of any freely falling
body).
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