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April 17, 2014

Homework Help: Physics

Posted by Amber on Monday, November 7, 2011 at 8:30am.

Marie Curie first identified the element radium in 1898. She found that the radium-226 (mass 3.77x10^-25 kg) decays by emitting alpha particle (mass 6.64x10^-27 kg). If the alpha particle's speed is 2.4x10^6 m/s, what is the speed of the recoiling nucleus?

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