A Proton with a Speed of 2

question 9

Multiple Choice

A proton with a speed of 2.0 x
M/s accelerates through a potential difference and thereby increases its speed to 4.0 ×
M/s.Through what magnitude potential difference did the proton accelerate?
,m_proton = 1.67 × 10^-27 kg)

• A)630 V
• B)210 V
• C)840 V
• D)1,000 V
• E)100 V

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