up) about the aircraft s mass center (cg) for the condition. indicated in the fi

Question

up) about the aircraft s mass center (cg) for the condition. indicated in the figure. (b) By how much is the thrust (force along the center-line of the aircraft) reduced tor the case indicated compared to normal flight when the exhaust is parallel to the centerline? The exhaust gas from the rocket show n in Fig. P5 77a leaves the nozzle with a uniform velocity parallel to the x axis. The gas is assumed to be discharged from the nozzle as a free jet (a) Show that the thrust that is developed is equal to rho AV2, where A = pi D2/4. (b) The exhaust gas from the rocket nozzle shown in Fig. P5 77b is also uniform, but rather than being directed along the x axis, is directed along rays from point 0 as indicated. Determine the thrust for this rocket.

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