If a Proton with Mass 1

question 52

Multiple Choice

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

• A)2.83 × 10⁸ m/s
• B)2.45 × 10⁸ m/s
• C)2.00 × 10⁸ m/s
• D)1.00 × 10⁸ m/s
• E)​1.54 × 10⁸ m/s

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