question archive A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 55
A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 55
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A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 55.0 x 105 kg, elf which 15.7 X 105 kg is fuel. The rocket engine is then ?red for 420 5, during which fuel is consumed at the rate of 400 kg?s. The speed of the exhaust products relative to the rocket is 4.25 kmg's. (a) What is the rocket's thrust? After the 420 s ?ring, what are (Is) the mass and (c) the speed of the rocket?
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