12–91, 12–92 Kinematics of a Particle (Chapter 12: Hibbeler Dynamics) Benam Academy
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ENGINEERING MECHANICS - DYNAMICS, 14TH EDITION, R. C. HIBBELER
CHAPTER 12: Kinematics of a Particle
PROBLEM: 12–91, 12–92
12–91. The ball at A is kicked with a speed vA = 80 ft/s and at an angle uA = 30°. Determine the point (x, –y) where it strikes the ground. Assume the ground has the shape of a parabola as shown.
*12–92. The ball at A is kicked such that uA = 30. If it strikes the ground at B having coordinates x = 15 ft, y = -9 ft, determine the speed at which it is kicked and the speed at which it strikes the ground.
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