Answered: were designed to exert the following…

were designed to exert the following force over the 40 ft distance of the barrier, how far would you expect the car to travel after impacting the barrier?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

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A 2500 Ib car traveling 60 mph (88 ft/s) impacts a highway crash barrier as shown below. If the barrier
were designed to exert the following force over the 40 ft distance of the barrier, how far would you
expect the car to travel after impacting the barrier?
20 ft
40 ft
20,000 lbs
Force (Ibs)
10,000 lbs
Distance
(ft)

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