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A new 212. kN Navy jet (Fig. 5-40) requires an airspeed of 80.5 m/s for liftoff. The engine develops a maximum force of 112. kN, but that is...

A new 212. kN Navy jet (Fig. 5-40) requires an airspeed of 80.5 m/s for liftoff. The engine develops a maximum force of 112. kN, but that is insufficient for reaching takeoff speed in the 88.9 m available on an aircraft carrier. What minimum force (assumed constant) is needed from the catapult that is used to help launch the jet? Assume that the catapult and the jet's engine each exert a constant force over the 88.9 m distance used for takeoff.

This question was asked on Mar 18, 2010.

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