A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 50.2 * 105 kg, of which 12.5 * 105 kg is fuel. The rocket engine is then fired for 450 s, during which fuel is consumed at the rate of 370 kg/s. The speed of the exhaust products relative to the rocket is 4.90 km/s. (a) What is the rocket's thrust? After the 450 s firing, what are (b) the mass and (c) the speed of the rocket?
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Home » Physics » A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 50.2 * 105 kg, of which 12.5 * 105 kg is fuel.