332_Dynamics 11ed Manual

332_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 15 Explosion W g v 0 W 2 g v 2x + = v 2x 2 v = v 2x 80.00 ft s = 0 W 2 g v 1 W 2 g v 2y = v 2y v 1 = v 2y 12.00 ft s = Kinematics h v A sin θ () 2 2 g = h 74.53 ft = Guess t 1s = Given 0 g 2 t 2 v 2y t h + = t Find t = t 1.81 s = dv 2x t = d 144.9 ft = Problem 15-46 The projectile of weight W is fired from ground level with an initial velocity v A in the direction shown. When it reaches its highest point B it explodes into two fragments of weight W/ 2. If one fragment is seen to travel vertically upward, and after they fall they are a distance d
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