SOLUTION: use the quadratic formula to determine the times when an object launched vertically from the surface of the earth at an initial speed of 30m/s reaches a height of 20 meters. Includ
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Question 1196882: use the quadratic formula to determine the times when an object launched vertically from the surface of the earth at an initial speed of 30m/s reaches a height of 20 meters. Include a sketch with the solution.
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.
a TWIN problem was solved under this link
https://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.1196745.html
https://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.1196745.html
Consider that solution as your TEMPLATE, and solve the given problem in the same way.
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