A Proton (M_p = 1 $\Delta$ V_e $\Delta$ V_p?
A)5

question 18

Multiple Choice

A proton (m_p = 1.673 × 10^-27 kg) and an electron (m_e = 9.109 × 10^-31 kg) are confined such that the x position of each is known to within 1.50 × 10^-10 m. What is the ratio of the minimum uncertainty in the x component of the velocity of the electron to that of the proton, $\Delta$ v_e/ $\Delta$ v_p?

• A)5.444 × 10^-4
• B)0.2272
• C)808.2
• D)1837
• E)36 290

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