Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 2 - One-Dimensional Kinematics - Problems and Conceptual Exercises - Page 53: 78

Answer

(a) Greater than. (b) III.

Work Step by Step

(a) We know that the increase in speed of the hammer as it drops past window 1 is greater than the increase in speed as it drops past window 2. (b) We know that the best explanation is option (III) -- that is, the hammer spends more rime dropping past window 1.
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