A Rocket having initial mass 5\times10^6 kg (including mass of fuel). If mass of fuel is 4\times10^6 kg and is ejecting gas with velocity 4000 m/s relative to Rocket, then what will be the velocity of the Rocket when entire fuel finishes.

Correct Answer is : 6437.75 m/s

AIIMS 2018 May 26 Physics Morning Question Paper with solutions for online practice

Question : 21 of 37

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A Rocket having initial mass 5×106 kg (including mass of fuel). If mass of fuel is 4×106 kg and is ejecting gas with velocity 4000 m/s relative to Rocket, then what will be the velocity of the Rocket when entire fuel finishes.

6437.75 m/s
7503.32 m/s
5347.57 m/s
8245.53 m/s

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