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A bullet of mass 20g enters into a fixed block with aspeed 40m/s and stops in it. find the change in internal energy during the process.

A bullet of mass 20 g enters into a fixed block with a speed 40m/s and stops in it. find the change in internal energy during the process? Harsh Asked. The question is open to visitors to post answer as comment

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Limitations of Homogenity

Paraser asked “What are the limitations of homogenity?” The question is acutually”What are the limitations of dimensional analysis?” The dimensional analysis is based on the principle of homogenity of dimensions. The question is already discussed earlier  HERE