UPSC NDA 2 2019 General Ability Solved Paper
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Question : 52 of 150
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Let there be an object having some chemicals in it. It starts moving with a uniform velocity v and a chemical reaction starts happening. In this case, which of the following statements is/are correct?
1. Chemical reactions happening in the system cannot change the velocity v of the centre of mass of the object.
2. Chemical reactions happening in the system cannot change kinetic energy of the particles inside with respect to the centre of mass of object.
Select the correct answer using the code given below:
1. Chemical reactions happening in the system cannot change the velocity v of the centre of mass of the object.
2. Chemical reactions happening in the system cannot change kinetic energy of the particles inside with respect to the centre of mass of object.
Select the correct answer using the code given below:
[NDA II 2019]
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