194_Dynamics 11ed Manual

194_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 13 Solution: W cos θ () W g a t = a t g cos = v 2 2 gl 1 2 cos d = v 2 9.29 ft s = 2 TW sin 2 W g v 2 2 l = T W 2 sin 2 v 2 2 + = T 38.0 lb = Problem 13-63 If the crest of the hill has a radius of curvature ρ , determine the maximum constant speed at which the car can travel over it without leaving the surface of the road. Neglect the size of the car in the calculation. The car has weight W . Given: 200 ft = W 3500 lb = g 9.815 m s 2 = Solution: Limiting case is N = 0. ↓ Σ F n = ma n ; W W g v 2
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