310_Dynamics 11ed Manual

310_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 15 Solution: First find the velocity v A Guesses v A 1 m s = t 1s = Given 0 g 2 t 2 v A sin θ () t + = dv A cos t = t v A Find tv A , = t 1.33 s = v A 13.04 m s = Impulse - Momentum 0 I + Mv A = IM v A = I 2.61 N s = Problem 15-11 The particle P is acted upon by its weight W and forces F 1 = ( a i + bt j + ct k) and F 2 = dt 2 i . If the particle originally has a velocity of v 1 = ( v 1x i + v 1y j + v 1z k ), determine its speed after time t 1 . Given: W 3lb = g 32.2 ft s 2 = v 1x 3 ft s = a 5lb = v
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