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Unformatted text preview: 130 CHAPTER 2. PARTICLE KINEMATICS 2.30 Chapter 2, Problem 30 Problem: A jet supply plane is flying horizontally at altitude h with constant speed V as shown. A battleship is moving at speed v s = U − at in the direction perpendicular to the jet’s path, where U is its speed at t = 0 and a is its constant deceleration. In order to provide entertainment for the ship’s crew, at t = 0 the jet drops a package containing all 22 digitally-remastered James Bond DVDs when the battleship is at x = L and y = H . The jet pilot wants the package to land on the battleship at x = 0 and y = H when the ship is stationary. If the jet’s speed is V = 8 U , determine the altitude of the jet, h , and the x coordinate of the ship, L , when the drop is initiated. Express your answers in terms of H , V , and gravitational acceleration, g . Ignore effects of friction in the air and effects of the parachute that deploys at the end of the trajectory to provide a soft landing for the package....
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- Spring '06
- Acceleration, ... ...