An engineer is trying to determine the mass of a student who will barely touch the water when jumping off a bridge shown with an ideal bungee cord with a spring constant of 24N/m. The height of the bridge and natural length of the bungee cord are shown. Neglect drag, energy gained from the jump and loss due to impact with the water. 70m How much would the cord's length change in order to touch the water? List the energy types at the initial and final time and whether work and loss (due to non- 175m conservative forces) occur as well as the corresponding amounts of energy. initial: GPE J work? no work reference level loss? no loss V = final: EPE J What mass student would barely touch the water? kg Would a student with a mass of 89kg hit the water? yes
An engineer is trying to determine the mass of a student who will barely touch the water when jumping off a bridge shown with an ideal bungee cord with a spring constant of 24N/m. The height of the bridge and natural length of the bungee cord are shown. Neglect drag, energy gained from the jump and loss due to impact with the water. 70m How much would the cord's length change in order to touch the water? List the energy types at the initial and final time and whether work and loss (due to non- 175m conservative forces) occur as well as the corresponding amounts of energy. initial: GPE J work? no work reference level loss? no loss V = final: EPE J What mass student would barely touch the water? kg Would a student with a mass of 89kg hit the water? yes
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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