Multiple Choice
A 100-kg astronaut ejects 4 g of gas from her propulsion pistol at a speed of 50 m/s. Her recoil speed is
A) 0.2 mm/s.
B) 2 mm/s.
C) 2 cm/s.
D) 20 cm/s.
Correct Answer:
Verified
Correct Answer:
Verified
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