Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
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Chapter 2, Problem 79P
GO At time t = 0, a rock climber accidentally allows a piton to fall freely from a high point on the rock wall to the valley below him. Then, after a short delay, his climbing partner, who is 10 m higher on the wall, throws a piton downward. The positions y of the pitons versus t during the falling are given in Fig. 2-43.With what speed is the second piton thrown?
Figure 2-43 Problem 79.
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Assume g = 10 m/s/s
As a runaway scientific balloon ascends at 20 m/s, one of its instrument packages breaks free of a harness and free-falls (a=g). Figure 2-32 gives the vertical velocity of the packages versus time, from before it breaks free to when it reaches the ground. (Do not enter units. The graph does not start at the begining of the of the trajectory.)
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Figure 2-33 Problem 50.
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Chapter 2 Solutions
Fundamentals of Physics Extended
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