Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 10 - Think and Explain: 73


Launching an object straight backward at the same speed at which the spaceship is traveling ensures that the object's tangential speed relative to Earth is zero. It would fall vertically downward; i.e., a person on Earth would see it fall straight down out of the sky.
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