A proton (mass = 1.67 1027 kg, charge = 1.60 1019 C) moves from ...

[jho37]

Question 1

A proton (m = 1.7 × 10⁻²⁷ kg, q = +1.6 × 10⁻¹⁹ C) starts from rest at point A and has a speed of 40 km/s at point B. Only electric forces act on it during this motion. Determine the electric potential difference V_B−V_A.

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+8.5 V

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−8.5 V

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−4.8 V

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+4.8 V

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−17 V

Question 2

A proton (mass = 1.67 × 10⁻²⁷ kg, charge = 1.60 × 10⁻¹⁹ C) moves from point A to point B under the influence of an electrostatic force only. At point A the proton moves with a speed of 50 km/s. At point B the speed of the proton is 80 km/s. Determine the potential difference V_B−V_A.

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+20 V

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−20 V

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−27 V

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+27 V

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−40 V

[samiel-sayed]

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[jho37]

Great answer, keep it coming

[rachel]

Thanks for the timely response, appreciate it