Astronaut Jennifer's lifeline to her spaceship comes loose and she finds herself stranded, "floating" 100 m from the mothership. She suddenly throws her 2.00-kg wrench at 20 m/s in a direction away from the ship
If she and her spacesuit have a combined mass of 200 kg, how long does it take her to coast back to her spaceship? A) 1000 s
B) 750 s
C) 500 s
D) 250 s
E) 2.50 min
C
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