A uranium nucleus (mass 238 units) at rest decays into helium nucleus (mass 4.0 units) and thorium nucleus (mass 234 units). If the speed of the helium nucleus is 6.0 x 10^5 m/s, what is the speed of the thorium nucleus?
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![A uranium nucleus (mass 238 units) at rest decays into helium nucleus (mass 4.0 units)
and thorium nucleus (mass 234 units). If the speed of the helium nucleus is 6.0 x 10^5 m/s,
what is the speed of the thorium nucleus?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad005cea-41dc-4760-806e-ae45c196d4c6%2F90fb23d9-a1d5-491c-8649-6f2153143b8f%2Fu83w7ar_processed.png&w=3840&q=75)
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