Engineering Mechanics - DynamicsChapter 12Problem 12-106The jet plane travels along the vertical parabolic path. When it is at pointAit has speed vwhich is increasing at the rate at. Determine the magnitude of acceleration of the plane when itis at point A.Given:v200ms=at0.8ms2=d5km=h10 km=Solution:yx()hxd⎛⎝⎞⎠2=y' xxdd=y'' xxy' xdd=ρx1y' x2+3y'' x=anv2d=aat2an2
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