Engineering Mechanics - DynamicsChapter 15Ar1ρ=tmeddr2A+=Br2A+=Forces Tand FDare incorporated as the last two terms in the equation,FDveBvjA−=FD11.5 kN=Problem 15-131The jet is traveling at speed v, angle θwith the horizontal. If the fuel is being spent at rate r1and theengine takes in air at r2whereas the exhaust gas (air and fuel) has relative speed ve, determine theacceleration of the plane at this instant. The drag resistance of the air is FD= kv2The jet has weight W.Hint:See Prob. 15-130.
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