A Positron Traveling at 50% the Speed of Light Collides

question 62

Multiple Choice

A positron traveling at 50% the speed of light collides with an electron traveling at 75% the speed of light.The positron and electron annihilate.How much energy is released in MeV?

• A)1.36 MeV
• B)0.182 MeV
• C)1.022 MeV
• D)0.892 MeV
• E)1.53 MeV

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