Find what speed does the alpha particle have

Reference no: EM13559581

An atomic nucleus initially movingat 420m/s emits an alpha particle in the direction of its velocity,and the remaining nucleus slows to 350 m/s. If the alpha particlehas a mass of 4.0 u and the original nucleus has a mass of 222u, what speed does the alpha particle have when it is emitted?

Reference no: EM13559581

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