If a Proton with Mass 1

question 37

Multiple Choice

If a proton with mass 1.67 × 10−²⁷ kg moves in an accelerator such that its total energy is two times its rest energy,what is its speed? (c = 3.00 × 10⁸ m/s)

• A) 1.00 × 10⁸ m/s
• B) 2.83 × 10⁸ m/s
• C) 1.41 × 10⁸ m/s
• D) 2.60 × 10⁸ m/s

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