Rocket Thrust and Constant Velocity
A rocket with an initial mass of 1000 kg ejects gas at a rate of 5 kg/s with a speed of 2000 m/s relative to the rocket. What external force is required to maintain the rocket at a constant velocity in space?
A
5,000 N in the direction of gas ejection
B
0 N
C
10,000 N opposite the direction of gas ejection
D
10,000 N in the direction of gas ejection
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