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263_Physics ProblemsTechnical Physics

# 263_Physics ProblemsTechnical Physics - Chapter 9(a v1 y =...

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Chapter 9 265 (a) The object of mass m has final speed v v v y y i 1 2 3 2 = = and the object of mass 3 m moves at v v v v x y i i 2 2 2 2 2 2 4 9 2 9 + = + v v v x y i 2 2 2 2 2 3 + = (b) θ = F H G I K J tan 1 2 2 v v y x θ = F H G I K J = ° tan . 1 2 3 3 2 35 3 v v i i P9.37 m 0 27 17 0 10 = × . kg v i = 0 (the parent nucleus) m 1 27 5 00 10 = × . kg v j 1 6 6 00 10 = × . ± m s m 2 27 8 40 10 = × . kg v i 2 6 4 00 10 = × . ± m s (a) m m m 1 1 2 2 3 3 0 v v v + + = where m m m m 3 0 1 2 27 3 60 10 = = × . kg FIG. P9.37 5 00 10 6 00 10 8 40 10 4 00 10 3 60 10 0 9 33 10 8 33 10 27 6 27 6 27 3 3 6 6 . . ± . . ± . . ± . ± × × + × × + × = = × × e je j e je j e j e j j i v v i j m s (b) E m v m v m v = + + 1 2 1 2 1 2 1 1 2 2 2 2 3 3 2 E E = × × + × × + × × L N M O Q P = × 1 2 5 00 10 6 00 10 8 40 10 4 00 10 3 60 10 12 5 10 4 39 10 27 6 2 27 6 2 27 6 2 13 . . . . . . . e je j e je j e je j J Section 9.5 The Center of Mass P9.38 The x -coordinate of the center of mass is
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