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... gravity will eventually stop the rocket and it will start falling back . On the other hand , if the rocket has more than a certain critical speed ( about seven miles per second ) , gravity will not be strong enough to pull it back , so ...
... gravity . This does not matter too much , because gravity is such a weak force that its effects can usually be neglected when we are dealing with elementary particles or atoms . However , the fact that it is both long range and always ...
... gravity at all . ) In fact , it is not really consistent to treat light like cannonballs in Newton's theory of gravity because the speed of light is fixed . ( A cannonball fired upward from the earth will be slowed down by gravity and ...
Contents
Chapter One Our Picture of the Universe | 20 |
GALILEO GALILEI | 194 |
ACKNOWLEDGMENTS | 205 |
Copyright | |
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Qualitative Data Analysis: A User-friendly Guide for Social Scientists Ian Dey No preview available - 1993 |