Using energy conservation:
dKE = dPE
final speed of plane is zero, intial stretch in spring is zero, So
KEf = 0, PEi = 0
0.5*m*V^2 - 0 = 0.5*k*x^2 - 0
V = x*sqrt(k/m)
V = 36*sqrt (71500/16400)
V = 75.17 m/sec
As a 16,400 kg jet plane lands on an aircraft carrier, its tail hook snags a...
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