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**Unformatted text preview: **vertical motion to find the time: ? m, 45 , m/s 80 . 9 , 2 = =-= = t y y a v y y s 03 . 3 gives 2 2 1 = + =-t t a t v y y y y During this time the rock travels horizontally m 150 s) m/s)(3.03 49 ( = = =-t v x x x The rock lands 50 m past the foot of the dam....

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