1.

A proton of mass 1 a.m.u. collides with a Carbon-12 nucleus (mass = 12 a.m.u.) at rest. Assum- ing that the collision is perfectly elastic and that the Newton’s laws of motion hold, what fraction of the proton’s kinetic energy is transferred to the Carbon nucleus? explain steps too.........

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Answer:

Northern Plains have fertile soil which is NEEDED to GROW crops. They are drained by rivers Ganga, Brahmaputra, Indus. So, to FEED country Northern Plains are NECESSARY. The northern plains in general and Punjab in particular is the wheat BOWL of India.



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