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Unformatted text preview: Problem 21: The pilot of an airplane, carrying a package of mail, wishes to hit recovery location A . Assume that the plane is traveling at constant speed of 300 km/hr at a constant height of 120m above the ground. What angle with the horizontal should the pilots line of sight to the target make at the instant of release? What will be the velocity components of the package as it hits point A ? Problem 22: During a portion of a vertical loop, an airplane flies in an arc of radius 1 = km with a constant speed 500 v = km/hr. When the airplane is at A , the angle made by the velocity v with the horizontal is 35 = o , and radar tracking gives 650 r = m and 20 = o . Determine the velocity components r v and v , the radial acceleration r a and &amp;&amp; for this instant. Problem 23: At the instant shown, the magnitude of airplanes velocity is 70 m/s, its tangential component of acceleration is 1 t a = m/s 2 , and the rate of change of angle is 0.1 = &amp; rad/s. Determine (a) the instantaneous radius of curvature of the airplanes path, (b) the velocity and acceleration of the airplane in terms of normal and tangential components, and (c) the x and y components of velocity and acceleration when 20 = o . \3.\3....
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This note was uploaded on 04/03/2008 for the course EAS 208 taught by Professor Mehdiahmadizadeh during the Spring '08 term at SUNY Buffalo.
 Spring '08
 MehdiAhmadizadeh

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