How long does it take her to coast back to his ship

Reference no: EM13561075

An astronauts life to to her ship comes loose ans she finds herself stranded at 100m from the ship. The astronaut throws a 2kg wrench at 20m/s in a direction away from the ship. If the astronaut and the spacesuit have a combined mass of 200 kg, how long does it take her to coast back to his ship.

Reference no: EM13561075

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