13-36 - *1336 The 2-lb collar C fits loosely on the smooth...

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*13–36. SOLUTION Ans. v = 14.6 ft > s - C 2 s 2 - 4 3 1 + s 2 D 1 0 = 1 32.2 A v 2 - 15 2 B - L 1 0 ¢ 4 s ds - 4 s ds 2 1 + s 2 = L v 15 a 2 32.2 b v dv : + © F x = ma x ; - 4 A 2 1 + s 2 - 1 B ¢ s 2 1 + s 2 = a 2 32.2 b a v dv ds b F s = kx ; F s = 4 A 2 1 + s 2 - 1 B The 2-lb collar C fits loosely on the smooth shaft. If the spring is unstretched when

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