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## Homework Statement

A student at the top of a building of height h throws ball 1 upward with a speed of v

_{i}and then throws ball 2 downward with the same initial speed, v

_{i}. How does the final speed of ball 1, v

_{1f}, compare to the final speed of ball 2, v

_{2f}, when they reach the ground?

v

_{1f}= ______ multiplied by v

_{2f}

## Homework Equations

a = delta v/delta t

v

_{f}= v

_{i}+ a(delta t)

## The Attempt at a Solution

I drew a picture showing the person throwing ball 1 upward and then it descending and ball two falling to the ground.