A uranium nucleus (mass 238 units)at rest decays into a helium nucleus (mass 4.0 units)and a thorium nucleus (mass 234 units).If the speed of the helium nucleus is 6.0 x 10⁵ m/s,what is the speed of the thorium nucleus? A)1.0 x 10⁴ m/s B)3.0 x 10⁴m/s C)3.6 x 10⁴ m/s D)4.1 x 10⁴ m/s

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The Answer of A uranium nucleus (mass 238 units)at rest decays into a helium nucleus (mass 4.0 units)and a thorium nucleus (mass 234 units).If the speed of the helium nucleus is 6.0 x 10⁵ m/s,what is the speed of the thorium nucleus? A)1.0 x 10⁴ m/s B)3.0 x 10⁴m/s C)3.6 x 10⁴ m/s D)4.1 x 10⁴ m/s

A Uranium Nucleus (Mass 238 Units)at Rest Decays into a Helium