Floating in space doing repairs on the International Space Station, an astronaut finds that the tether that normally allows him to return to the station has broken. He hold in his hand a 5 kg wrench. If he throws the wrench away from him (and away from the station) at 20 m/s, how fast will he be travelling towards the space station?

Floating in space doing repairs on the International Space Station, an

1.	Floating in space doing repairs on the International Space Station, an astronaut finds that the tether that normally allows him to return to the station has broken. He hold in his hand a 5 kg wrench. If he throws the wrench away from him (and away from the station) at 20 m/s, how fast will he be travelling towards the space station?
Answer» Velocity=100/Mass of AstronautExplanation:The MOMENTUM is CONSERVED so moment of wrench at 20 m/s is:5*20=100kg-m/sSuppose the ASTRONAUT WEIGHS Mₓ kg.So his moment should be equal to that of the wrench. Let his velocity be V:MₓV=100V=100/Mₓ

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