335_Physics ProblemsTechnical Physics

335_Physics ProblemsTechnical Physics - Chapter 11 P11.35...

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Chapter 11 337 P11.35 (a) Lm v i = A τ ext = 0 , so LL m v fi == A M v v m mM v ff f =+ = + F H G I K J af A (b) Km v i = 1 2 2 KM m v 1 2 2 v m Mm v f = + F H G I K J velocity of the bullet and block M l v FIG. P11.35 Fraction of K lost = = + + 1 2 2 1 2 2 1 2 2 2 mv v mv M m P11.36 For one of the crew, Fm a rr = : n mv r mr i 2 2 ω We require nm g = , so i g r = Now, II ii f f ωω = 5 00 10 150 65 0 5 00 10 50 65 0 598 10 532 10 112 8 2 8 2 8 8 .. . . . . . ×⋅ + × × = + × × × F H G I K J kg m kg 100 m kg m kg 100 m 22 g r g r g r f f Now, arg rf = 2 126 123 m s 2 P11.37 (a) Consider the system to consist of the wad of clay and the cylinder. No external forces acting on this system have a torque about the center of the
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