Work, Energy and Power

Question: A $^{238}U$ nucleus decays by emitting an alpha particle of speed $v\,m{s^{ - 1}}$. The recoil speed of the residual nucleus is (in $m{s^{ - 1}}$)

1) $ - 4v/234$

2) $v/4$

3) $ - 4v/238$

4) $4v/238$

Solution:

Explanation: No Explanation

WEP Elastic and Inelastic collision

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