Path 1 2. a. A proton is moved from point A to point B along Path 1 as shown in the picture The potential difference it moves through is 330 V. Is point A or point B at a higher potential? b. How much work is done, in eV? c. The proton is now moved from point B to point A, backwards along Path 1. Now what is the work done, in eV? d. In part c, along that path, what potential difference did the proton move though? e. Now the proton is moved from point A to point B, but along Path 2. How much work is done, in eV? 4 cm A В 2 cm Path 2 2 cm 2 cm

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Can you please help me with these 2 physics problems

2. a. A proton is moved from point A to point B along Path 1 as shown in the picture.
The potential difference it moves through is 330 V. Is point A or point B at a higher
potential?
b. How much work is done, in eV?
c. The proton is now moved from point B to point A, backwards along Path 1. Now
what is the work done, in eV?
d. In part c, along that path, what potential difference did the proton move though?
e. Now the proton is moved from point A to point B, but along Path 2. How much
work is done, in eV?
Path 1
4 cm
A
В
2 cm
Path 2
2 cm
2 cm
Transcribed Image Text:2. a. A proton is moved from point A to point B along Path 1 as shown in the picture. The potential difference it moves through is 330 V. Is point A or point B at a higher potential? b. How much work is done, in eV? c. The proton is now moved from point B to point A, backwards along Path 1. Now what is the work done, in eV? d. In part c, along that path, what potential difference did the proton move though? e. Now the proton is moved from point A to point B, but along Path 2. How much work is done, in eV? Path 1 4 cm A В 2 cm Path 2 2 cm 2 cm
4. An electron has an initial velocity of 3.6x104 m/s to the right. It then travels through a potential difference,
which speeds the electron up to a velocity of 8.1lx104 m/s to the right.
a. Since the particle was traveling to the right, and sped up, what was the direction of the acceleration of the
electron, left or right?
b. What then must have been the direction of the force on the electron?
c. And then what must have been the direction of the electric field in that area?
d. Given that you know the electric field has to point from high potential to low potential, is the electron
traveling from a low to a high potential, or is it traveling from a high to a low potential?
e. Does that make the potential difference (the change in potential) positive, or negative?
f. Now finally calculate the potential difference. (If you end up with a different sign than what you got in e, ask
me, I can help you spot what went wrong!) [the magnitude is 0.015 V]
Transcribed Image Text:4. An electron has an initial velocity of 3.6x104 m/s to the right. It then travels through a potential difference, which speeds the electron up to a velocity of 8.1lx104 m/s to the right. a. Since the particle was traveling to the right, and sped up, what was the direction of the acceleration of the electron, left or right? b. What then must have been the direction of the force on the electron? c. And then what must have been the direction of the electric field in that area? d. Given that you know the electric field has to point from high potential to low potential, is the electron traveling from a low to a high potential, or is it traveling from a high to a low potential? e. Does that make the potential difference (the change in potential) positive, or negative? f. Now finally calculate the potential difference. (If you end up with a different sign than what you got in e, ask me, I can help you spot what went wrong!) [the magnitude is 0.015 V]
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