Can Anyone help me, please !

  • Thread starter Elvis
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Can Anyone help me, please!!!!!!!!!!!

An automatic nucleus initially moving at 500 m/s emits an alpha particle in the direction of its velocity, and the new nucleus shows to 450 m/s. If the alpha particle has a mass of 4.0 u and the original nucleus has a mass of 222 u, what speed does the alpha particle have when it is emmited ?
 

Answers and Replies

  • #2
Dick
Science Advisor
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Could conservation of momentum help you? Try it.
 

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