Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 4 - Motion in Two and Three Dimensions - Problems: 23c

Answer

-29.7 m/s

Work Step by Step

To find the vertical component of velocity when the bullet strikes the ground we will once again use the fact that it is in the air for 3.03s. We also know that the initial vertical component of velocity is 0 since it was fired horizontally. Finally, we use $v = v_{0} + at = 0 + (-9.81m/s^2)(3.03s) = -29.7m/s $
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