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A nuclear of mass M +deltam is at rest ...

A nuclear of mass `M +deltam ` is at rest and decay into two daughter nuclei of equal mass `(M)/(2)` each speed is `c`
The speed of daughter nuclei is

A

`c(Deltam)/(M+Deltam)`

B

`csqrt((2Deltam)/(M))`

C

`csqrt((Deltam)/(M))`

D

`csqrt((Deltam)/(M+Deltam))`

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