Unformatted text preview: 8 . 25 At . s cm 23 . 1 s, 20 . 6 At = = + = = x x v t v t Set cm . 40 = x and solve for s 4 . 36 : = t t (other root to the quadratic equation is negative and hence nonphysical). . s cm 55 . 2 s, 4 . 36 At = = x v t e)...
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 Quadratic equation, Elementary algebra

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