A 10,000-lb airplane is launched from a catapult. The spring of the catapult (ks = 150 lb/in) is initially compressed 10 ft and then released. During the launching, the airplane engine exerts a constant horizontal force of 2,000 lbs. Assuming the friction to be negligible, determine the takeoff speed of the airplane at the instant when the spring reaches its undeformed position. 15.47 ft/s 25.34 ft/s 34.64 ft/s 26.62 ft/s 64.34 ft/s 62.26 ft/s 21.16 ft/s 58.17 ft/s www k,= 150 lb/in.
A 10,000-lb airplane is launched from a catapult. The spring of the catapult (ks = 150 lb/in) is initially compressed 10 ft and then released. During the launching, the airplane engine exerts a constant horizontal force of 2,000 lbs. Assuming the friction to be negligible, determine the takeoff speed of the airplane at the instant when the spring reaches its undeformed position. 15.47 ft/s 25.34 ft/s 34.64 ft/s 26.62 ft/s 64.34 ft/s 62.26 ft/s 21.16 ft/s 58.17 ft/s www k,= 150 lb/in.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 81P: Jane, whose mass is 50.0 kg, needs to swing across a river (having width D) filled with...
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