Multiple Choice
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 6.5 × 105 m/s,what is the speed of the thorium nucleus?
A) 1.1 × 104 m/s
B) 3,802.5 × 104 m/s
C) 1,440.0 × 104 m/s
D) 2.1 × 104 m/s
E) 0.1 × 104 m/s
Correct Answer:
Verified
Correct Answer:
Verified
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