An Alpha Particle (Mass = 6

question 48

Multiple Choice

An alpha particle (mass = 6.68 x 10^-27 kg) is emitted from a radioactive nucleus with an energy of 5.00 MeV.How fast is the alpha particle moving in m/s? (1 MeV = 1.6 x 10^-13 J)

• A)2.40 x 10⁷ m/s
• B)1.55 x 10⁷ m/s
• C)3.70 x 10⁶ m/s
• D)1.85 x 10⁶ m/s

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