Physics For Scientists And Engineers: Foundations And Connections, Extended Version With Modern Physics
1st Edition
ISBN: 9781305259836
Author: Debora M. Katz
Publisher: Cengage Learning
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Chapter 8, Problem 24PQ
A block is placed on top of a vertical spring, and the spring compresses. Figure P8.24 depicts a moment in time when the spring is compressed by an amount h.
- a. To calculate the change in the gravitational and elastic potential energies, what must be included in the system?
- b. Find an expression for the change in the system’s potential energy in terms of the parameters shown in Figure P8.24.
- c. If m = 0.865 kg and k = 125 N/m, find the change in the system’s potential energy when the block’s displacement is h = 0.0650 m, relative to its initial position.
FIGURE P8.24
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In general it is best to conceptualize vectors as arrows in
space, and then to make calculations with them using
their components. (You must first specify a coordinate
system in order to find the components of each arrow.)
This problem gives you some practice with the
components.
Let vectors A = (1,0, −3), B = (-2, 5, 1), and
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Only Part C.) is necessary
Chapter 8 Solutions
Physics For Scientists And Engineers: Foundations And Connections, Extended Version With Modern Physics
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