- #1

Arcthor

- 34

- 1

## Homework Statement

The problem is stated here (from brilliant.org)

http://i.imgur.com/MkWwnjT.png

## Homework Equations

momentum = mass * velocity

## The Attempt at a Solution

My attempt at a solution can be found here:

http://i.imgur.com/Zsco86W.jpg

I get the answer 0.035kg, but that is not an option. What am I doing wrong?