Fundamentals of Physics Extended (10th Edition)

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

Chapter 9 - Center of Mass and Linear Momentum - Problems: 24a

Answer

1.11 m of snow

Work Step by Step

The paratrooper as a mass of 85kg and has an initial speed of 56m/s. Since the survivable limit is 1.2 x 10^5 N then his acceleration (using F = ma) is a = 1412 $m/s^2$. To find the depth of snow that this would take, we use $v^2 = v_{0}^2 + 2a\Delta x $ where v0 = 56 m/s and v = 0 and we solve for $Delta x$ We find that $\Delta x = 1.11 m$ of snow
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