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## Homework Statement

Someone throws an object upwards at 5 m/s from a window twelve feet high.

A) what is the velocity of the pen at 1 second after it was thrown?

## Homework Equations

D = vi * t + (at^2)/2

Vf^2 = vi^2 + 2ad

## The Attempt at a Solution

I keep getting 4.8, but the answer is 1.2m/s. What am I doing wrong???

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