Pre-Calc Homework Solutions 314

Pre calc homework solutions 314

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Unformatted text preview: 314 7 Section 7.5 8. 0 7 cos2 x dx y 2 (10 2 3 4 10. (a) F y) dy s 1/8 ks, so 150 1 ,F 8 k 1 8 1 and k 16 2400 lb/in. Then for 9. 0 7 2400 300 lb. 1/8 10. 0 sin2 x dx (b) 0 2400x dx 1200x 2 18.75 in.-lb 0 Section 7.5 Exercises 5 1. 0 3 xe x/3 dx x dx 4 3e x/3 5 (3 sin x) 0 24 e 5/3 11. When the end of the rope is x m from its starting point, the 9 x 4 3 0 4.4670 J (50 F(x) 50 x) m of rope still to go weigh (0.624)(50 x) N. The total work is 0.624 50x (p , V ) 2 2 (p , V ) 1 1 2. 0 x sin 4 4 x 4 3 2 x cos 4 2 2...
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This note was uploaded on 10/05/2011 for the course MAC 1147 taught by Professor German during the Spring '08 term at University of Florida.

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