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test0233

# test0233 - Page 3 10 Three masses are located in the x-y...

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Page 3 10. Three masses are located in the x-y plane as follows: a mass of 6 kg is located at (0 m, a m), a mass of 4 kg is located at (3 m, a m), and a mass of 2 kg is located at (0 m, 3 m). Where is the center of mass of the system? '1 X~m~.£"";X; ';1'1,0-= 6iq12.~Iz..k;; a. (1 m, 2 m) h13 £,.v7'! [C~(~+G)(.) ~: ~~ :: ~ :~ J ~ -:x (rt1 :: (fJ~Ol ~rj +(2){o) yc~ =~ f-d2(~)~ @ (1 m, 0.5 m) Yh K {~ /2- I L. - I M L ;:: ~ r;;-;::J 11. A 900-kg car traveling east at 15 m/s collides with a 750-kg car ~~ r~1traveling north at 20 m/s. The cars stick together._ What is the speed of \J f ~:.:} U the wreckage just after the collision? 20 ii1e (d 1, c... co((t.siUV}C v:z..) c @ 12.2 m/s Po (; ) ~ C) -.f::c, -/ ~ - II! (I)\ VI e- b. 25. a m/s p~~..: '1f q J?/", Vl. == H, 1 i'f L V f 511f tSL -" ~,L..J,_--- 4 c. 35.0 m/s Q.- ~ n F:; rn V .::;;.("" -f1'f,J VpCV',)<Sl V.p= !!lV' ~t/2.1 f-:jJ 1 d. 17.3 m/s rx (,., r 'f I ( ttl ) (uS(}- - .., D,\;/~ CM,y")/{..,,v,) ;:: -t~t,~ (,.".f l- M y V y 12.
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