Suppose a 20,000 kg jet lands on the surface of an aircraft carrier. As it lands, it engages a tailhook wire, a wire which behaves as if it were connected to a spring with a spring constant of Ks = 25,000 J/m2. This slows the jet down to rest within 60 m. What was the jet's landing speed? (Actual tail hooks use hydraulics instead of a spring to absorb the just energy, but let's pretend).

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter9: Energy In Nonisolated Systems
Section: Chapter Questions
Problem 51PQ: A small 0.65-kg box is launched from rest by a horizontal spring as shown in Figure P9.50. The block...
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Suppose a 20,000 kg jet lands on the surface of an aircraft carrier. As it lands, it engages a tailhook wire, a wire which behaves as if it were connected to a spring with a spring constant of Ks = 25,000 J/m2. This slows the jet down to rest within 60 m. What was the jet's landing speed? (Actual tail hooks use hydraulics instead of a spring to absorb the just energy, but let's pretend). 

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