A jet airplane with a mass of 5 Mg has a touchdownspeed of 300 km / h, at which instant
Chapter 3, Problem 3/32(choose chapter or problem)
A jet airplane with a mass of \(5 \mathrm{Mg}\) has a touchdown speed of \(300 \mathrm{~km} / \mathrm{h}\), at which instant the braking parachute is deployed and the power shut off. If the total drag on the aircraft varies with velocity as shown in the accompanying graph, calculate the distance x along the runway required to reduce the speed to \(150 \mathrm{~km} / \mathrm{h}\). Approximate the variation of the drag by an equation of the form \(D=k v^2\), where k is a constant.
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