80_Dynamics 11ed Manual

80_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 12 Problem 12-106 The jet plane travels along the vertical parabolic path. When it is at point A it has speed v which is increasing at the rate a t . Determine the magnitude of acceleration of the plane when it is at point A . Given: v 200 m s = a t 0.8 m s 2 = d 5km = h 10 km = Solution: yx () h x d 2 = y' x x d d = y'' x x y' x d d = ρ x 1 y' x 2 + 3 y'' x = a n v 2 d = aa t 2 a n 2
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