# Thread:

1. ## Astronaut

A 68.5 astronaut is doing a repair in space on the orbiting space station. She throws a 2.40 tool away from her at 3.60 relative to the space station.

With what speed direction will she begin to move?

i figured it would be 3.60 m/s in the opposite direction but this answer doesnt seem to be correct and im not sure exactly why

any help would be appreciated thank you.

2. Originally Posted by elexis10
A 68.5 astronaut is doing a repair in space on the orbiting space station. She throws a 2.40 tool away from her at 3.60 relative to the space station.

With what speed direction will she begin to move?

i figured it would be 3.60 m/s in the opposite direction but this answer doesnt seem to be correct and im not sure exactly why

any help would be appreciated thank you.
This is a conservation of momentum problem. The astronaut's momentum will be $-p$, where $p$ is the momentum of the tool. Momentum is $m \bold{v}$.

CB
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