In a Certain Nuclear Reactor,neutrons Suddenly Collide with Carbon Nuclei,which

question 1

Multiple Choice

In a certain nuclear reactor,neutrons suddenly collide with carbon nuclei,which have 12 times the mass of neutrons.In a head-on elastic collision with a stationary carbon nucleus,what fraction of its initial speed does the neutron have after the collision?

• A)11/12
• B)1/12
• C)11/13
• D)5/6
• E)10/13

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