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1. A rocket of initial mass M0 ejects its burnt fuel at a constant rate μ and at a speed V0 relative to the rocket. (a) Calculate the initial acceleration of the rocket if it starts vertically upward from its launch pad (b) If V0= 2000 m/sec, how many kilograms of fuel must be ejected per second to give such a rocket, of mass 1000 tons, an initial upward acceleration equal to 0.5 g [Ans: 7500 Kg/sec]

1. A rocket of initial mass M0 ejects its burnt fuel at a constant rate μ and at a speed V0 relative to the
rocket.
(a) Calculate the initial acceleration of the rocket if it starts vertically upward from its launch pad
(b) If V0= 2000 m/sec, how many kilograms of fuel must be ejected per second to give such a rocket, of
mass 1000 tons, an initial upward acceleration equal to 0.5 g [Ans: 7500 Kg/sec]

Grade:12th pass

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