**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)...

View
Full Document

- '
- NoProfessor
- Quadratic equation, Elementary algebra