Packages for transporting delicate items (e.g., a laptop or glass) are designed to "absorb" some of the energy of the impact in order to protect their contents. These energy absorbers can get very complicated (eg, the mechanics of Styrofoam peanuts can be complex), but we can begin to understand how they work by modeling them as a linear elastic spring of constant & that is placed between the contents (an expensive vase) of mass m and the package P. Assume that the vase's mass is 3 kg and that the box is dropped from rest from a height of 1.5 m. Treating the vase as a particle and neglecting all forces except for gravity and the spring force, determine the value of the spring constant & so that the maximum displacement of the vase relative to the box is 0.15 m. Assume that the spring relaxes after the box is dropped and that it does not oscillate.
Packages for transporting delicate items (e.g., a laptop or glass) are designed to "absorb" some of the energy of the impact in order to protect their contents. These energy absorbers can get very complicated (eg, the mechanics of Styrofoam peanuts can be complex), but we can begin to understand how they work by modeling them as a linear elastic spring of constant & that is placed between the contents (an expensive vase) of mass m and the package P. Assume that the vase's mass is 3 kg and that the box is dropped from rest from a height of 1.5 m. Treating the vase as a particle and neglecting all forces except for gravity and the spring force, determine the value of the spring constant & so that the maximum displacement of the vase relative to the box is 0.15 m. Assume that the spring relaxes after the box is dropped and that it does not oscillate.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 24PQ: A block is placed on top of a vertical spring, and the spring compresses. Figure P8.24 depicts a...
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